Data

NameArias Carrasco, José Miguel
DepartmentFísica Atómica, Molecular y Nuclear
Knowledge areaFísica Atómica Molecular y Nuclear
Professional categoryCatedrático de Universidad
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  Statistics

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    138

  • Visits

    13049

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    13427

  Publications

 

Article
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Review of Shape Phase Transition Studies for Bose-Fermi Systems: The Effect of the Odd-Particle on the Bosonic Core

Böyükata, Mahmut; Böyükata, Mahmut; Alonso Alonso, Clara Eugenia; Arias Carrasco, José Miguel; Fortunato, L.; Vitturi, Andrea (MDPI, 2021-01-01)
The quantum phase transition studies we have done during the last few years for odd-even systems are reviewed. The focus ...
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Algebraic DVR Approaches Applied to Describe the Stark Effect

Bermúdez Montaña, Marisol; Rodríguez Arcos, Marisol; Lemus, Renato; Arias Carrasco, José Miguel; Gómez Camacho, Joaquín José; Orgaz, Emilio (MDPI, 2020-01-01)
Two algebraic approaches based on a discrete variable representation are introduced and applied to describe the Stark ...
Master's Final Project
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Análisis de un quantum quench en el modelo de Lipkin anharmónico

Arias Carrasco, José Miguel; Pérez Fernández, Pedro; Gamito Gómez, Juan (2019-12-01)
Master's Final Project
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Simulaciones Monte Carlo para el desarrollo de un prototipo de tomógrafo de protones con aplicación en protonterapia

Nácher González, Enrique; Briz Monago, José Antonio; Arias Carrasco, José Miguel; García Távora, Vicente (2019-09-01)
El objetivo de este trabajo es demostrar la viabilidad de obtener imágenes médicas con protones, utilizando detectores de ...
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Number conserving particle-hole RPA for superfluid nuclei

Dukelsky, Jorge; García Ramos, José Enrique; Arias Carrasco, José Miguel; Pérez Fernández, Pedro; Schuck, P. (Elsevier, 2019-08-01)
We present a number conserving particle-hole RPA theory for collective excitations in the transition from normal to ...
Master's Final Project
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BRIKEN measurements of half-lives for Ce to Nd nuclei relevant for the formation of the r-process rare-earth peak (A~160)

Arias Carrasco, José Miguel; Navarro Fernández, Araceli (2019-07-01)
The Rare Earth Peak (REP) is a small, but clearly distinctive, peak around mass A 160 in the elemental solar system ...
Master's Final Project
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Characterisation of the DTAS Total Absorption Spectrometer 100Sn for a measurement of decay in Riken Nishina Center

Arias Carrasco, José Miguel; Nácher González, Enrique; Romero Fernández, Jorge (2019-06-04)
This Master Thesis mainly pivots on describing the assembly, preparation and testing of the Decay Total Absorption -ray ...
Final Degree Project
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Estudio de transiciones de fase cuánticas en el modelo de Rabi

Arias Carrasco, José Miguel; Pérez Fernández, Pedro; Román Lemos, Eduardo (2019-06-01)
El objetivo de este trabajo es realizar un estudio sobre las transiciones de fase cuánticas que se presentan en el modelo ...
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An extended Agassi model: Algebraic structure, phase diagram, and large size limit

García Ramos, José Enrique; Dukelsky, Jorge; Pérez Fernández, Pedro; Arias Carrasco, José Miguel (Institute of Physics Publishing, 2019-01-01)
The Agassi model (Agassi 1968 Nucl. Phys. A 116 49) is a schematic two-level model that involves pairing and monopole-monopole ...
Presentation
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Scaling properties of the Lipkin model at the critical point

Arias Carrasco, José Miguel; García Ramos, José Enrique (American Institute of Physics, 2019-01-01)
The influence of Franco Iachello in Physics during the last 50 years and, in particular, in the use of algebraic methods ...
Final Degree Project
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Núcleos halo: un estudio semianalítico

Arias Carrasco, José Miguel; Moro Muñoz, Antonio Matías; Lay Valera, José Antonio; Reina Ramírez, Ángel (2018-06-01)
El presente trabajo se centra en el estudio de núcleos exóticos ligeros, en concreto, en algunos núcleos denominados núcleos ...
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Phase diagram of an extended Agassi model

García Ramos, José Enrique; Dukelsky, Jorge; Pérez Fernández, Pedro; Arias Carrasco, José Miguel (American Physical Society, 2018-01-01)
Background: The Agassi model [D. Agassi, Nucl. Phys. A 116, 49 (1968)NUPABL0375-947410.1016/0375-9474(68)90482-X] is an ...
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Be 9 + Sn 120 scattering at near-barrier energies within a four-body model

Arazi, Andrés; Casal Berbel, Jesús; Rodríguez Gallardo, Manuela; Arias Carrasco, José Miguel; Lichtenthäler Filho, R.; Abriola, Daniel; Capurro, O. A.; Carnelli, P. F.F.; Fernndez Niello, J. O.; Martínez Heimman, D. (American Physical Society, 2018-01-01)
Cross sections for elastic and inelastic scattering of the weakly bound Be9 nucleus on a Sn120 target have been measured ...
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Excited-state quantum phase transitions in a two-fluid Lipkin model

García Ramos, José Enrique; Pérez Fernández, Pedro; Arias Carrasco, José Miguel (American Physical Society, 2017-05-30)
Background: Composed systems have become of great interest in the framework of ground-state quantum phase transitions ...
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Three-body radiative capture reactions

Casal Berbel, Jesús; Rodríguez Gallardo, Manuela; Arias Carrasco, José Miguel; Gómez Camacho, Joaquín José (EDP Sciences, 2017-01-01)
Radiative capture reaction rates for 6He, 9Be and 17Ne formation at astrophysical conditions are studied within a three-body ...
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9Be scattering within a four-body continuum-discretized coupled-channels framework

Casal Berbel, Jesús; Rodríguez Gallardo, Manuela; Arias Carrasco, José Miguel (EDP Sciences - SIF, 2016-05-11)
The scattering of 9Be on 208Pb is addressed within a four-body Continuum-Discretized Coupled-Channels (CDCC) framework, ...
PhD Thesis
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Weakly-bound three-body nuclear systems: structure, reactions and astrophysical implications

Arias Carrasco, José Miguel; Rodríguez Gallardo, Manuela; Casal Berbel, Jesús (2016-05-11)
Esta memoria de tesis surge con la idea de estudiar sistemas nucleares de interés astrofísico.La comprensión de los procesos ...
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Determining astrophysical three-body radiative capture reaction rates from inclusive Coulomb break-up measurements

Casal Berbel, Jesús; Rodríguez Gallardo, Manuela; Arias Carrasco, José Miguel; Gómez Camacho, Joaquín José (American Physical Society, 2016-04-12)
A relationship between the Coulomb inclusive break-up probability and the radiative capture reaction rate for weakly bound ...
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Phase diagram of the two-fluid Lipkin model: A "butterfly" catastrophe

García Ramos, José Enrique; Pérez Fernández, Pedro; Arias Carrasco, José Miguel; Freire Macías, Emilio (American Physical Society, 2016-03-31)
Background: In the past few decades quantum phase transitions have been of great interest in nuclear physics. In this ...
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Radiative capture reaction for Ne 17 formation within a full three-body model

Casal Berbel, Jesús; Garrido Bellido, Eduardo; Diego Martínez, Raúl de; Arias Carrasco, José Miguel; Rodríguez Gallardo, Manuela (American Physical Society, 2016-01-01)
Background: The breakout from the hot Carbon-Nitrogen-Oxigen (CNO) cycles can trigger the rp-process in type I x-ray bursts. ...
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β-decay rates of 121–131Cs in the microscopic interacting boson-fermion model

Mardones, E.; Barea, J.; Alonso Alonso, Clara Eugenia; Arias Carrasco, José Miguel (American Physical Society, 2016-01-01)
β -decay rates of 121–131 Cs have been calculated in the framework of the neutron-proton interacting boson- fermion model ...
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Evidence of strong dynamic core excitation in 19C resonant break-up

Lay Valera, José Antonio; Diego Martínez, Raúl de; Crespo, Raquel; Moro Muñoz, Antonio Matías; Arias Carrasco, José Miguel; Johnson, R. C. (American Physical Society, 2016-01-01)
The resonant breakup of 19C on protons measured at RIKEN [Y. Satou et al., Phys. Lett. B 660, 320 (2008)] is analyzed in ...
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Recent developments for the calculation of elastic and non-elastic breakup of weakly-bound nuclei

Moro Muñoz, Antonio Matías; Lei, Jin; Gómez Ramos, Mario; Arias Carrasco, José Miguel; Diego, Raúl de; Gómez Camacho, Joaquín José; Lay Valera, José Antonio (Jagiellonian University Press, 2016-01-01)
In this contribution, we review some recent theoretical advances for the calculation of breakup cross sections in reactions induced by weakly-bound nuclei.
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Reactions induced by 9Be in a four-body continuum-discretized coupled-channels framework

Casal Berbel, Jesús; Rodríguez Gallardo, Manuela; Arias Carrasco, José Miguel (Springer Nature, 2015-06-01)
We investigate the elastic scattering of 9Be on 208Pb at beam energies above (50MeV) and below (40MeV) the Coulomb barrier. ...
Presentation
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Quantum phase transitions in odd-A nuclei: The effect of the odd particle from spherical to oblate shapes

Böyükata, Mahmut; Alonso Alonso, Clara Eugenia; Arias Carrasco, José Miguel; Fortunato, Lorenzo; Vitturi, Andrea (Institute of Physics Publishing, 2015-01-01)
Quantum shape-phase transitions in odd-nuclei are investigated within the framework of the interacting boson-fermion model ...
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Be 9 elastic scattering on Pb 208 and Al 27 within a four-body reaction framework

Casal Berbel, Jesús; Rodríguez Gallardo, Manuela; Arias Carrasco, José Miguel (American Physical Society, 2015-01-01)
We investigate low-energy Be9 elastic scattering on two different targets (heavy, light) within a four-body framework using ...
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Core excitations in the structure and reactions of halo nuclei

Lay Valera, José Antonio; Moro Muñoz, Antonio Matías; Arias Carrasco, José Miguel; Gómez Camacho, Joaquín José (EDP Sciences, 2014-03-20)
We analyse the resonant break-up of halo nuclei including possible excitations of the core both in the structure of the ...
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Semi-microscopic folding model for the description of two-body halo nuclei

Lay Valera, José Antonio; Moro Muñoz, Antonio Matías; Arias Carrasco, José Miguel; Kanada-En’yo, Y. (American Physical Society, 2014-01-01)
One-neutron halo nuclei, composed of a weakly bound particle coupled to a core nucleus, are studied within a particle-plus-core ...
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The one nucleon transfer operator in the microscopic IBM without NOA

Barea, J.; Alonso Alonso, Clara Eugenia; Arias Carrasco, José Miguel (Elsevier, 2014-01-01)
The mapping of the single fermion creation operator (ci†) onto the Interacting Boson-Fermion space (IBFM) is revisited ...
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Astrophysical reaction rate for 9 Be formation within a three-body approach

Casal Berbel, Jesús; Rodríguez Gallardo, Manuela; Arias Carrasco, José Miguel; Thompson, I. J. (American Physical Society, 2014-01-01)
The structure of the Borromean nucleus 9Be (α+α+n) is addressed within a three-body approach using the analytical transformed ...
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Quantum phase transitions of atom-molecule Bose mixtures in a double-well potential

Arias Carrasco, José Miguel; Relaño, Armando; Dukelsky, Jorge; Pérez Fernández, Pedro (2014-01-01)
The ground state and spectral properties of Bose gases in double-well potentials are studied in two different scenarios: ...
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Disentangling phase transitions and critical points in the proton-neutron interacting boson model by catastrophe theory

García Ramos, José Enrique; Arias Carrasco, José Miguel; Dukelsky, Jorge (Elsevier, 2014-01-01)
We introduce the basic concepts of catastrophe theory needed to derive analytically the phase diagram of the proton–neutron ...
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Continuum-discretized coupled-channels calculations with core excitation

Diego Martínez, Raúl de; Arias Carrasco, José Miguel; Lay Valera, José Antonio; Moro Muñoz, Antonio Matías (American Physical Society, 2014-01-01)
The effect of core excitation in the elastic scattering and breakup of a two-body halo nucleus on a stable target nucleus ...
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Quantum shape phase transitions from spherical to deformed for Bose-Fermi systems: the effect of the odd particle around the critical point

Böyükata, Mahmut; Alonso Alonso, Clara Eugenia; Arias Carrasco, José Miguel; Fortunato, Lorenzo; Vitturi, Andrea (EDP sciences, 2014-01-01)
Quantum phase transitions in odd-nuclei are investigated within the framework of the interacting boson-fermion model with ...
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Analytical transformed harmonic oscillator basis for three-body nuclei of astrophysical interest: Application to 6He

Casal Berbel, Jesús; Rodríguez Gallardo, Manuela; Arias Carrasco, José Miguel (American Physical Society, 2013-06-29)
Recently, a square-integrable discrete basis, obtained performing a simple analytical local scale transformation to the ...
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Three-body nuclei and their astrophysical implications: The case of 6He

Casal Berbel, Jesús; Rodríguez Gallardo, Manuela; Arias Carrasco, José Miguel (American Institute of Physics, 2013-01-01)
The analytic THO method [1] is generalized to study three-body nuclei of astrophysical interest, and applied to 6He. Results are consistent with previous publications and experimental data [2, 3].
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Particle motion in a deformed potential using a transformed oscillator basis

Lay Valera, José Antonio; Moro Muñoz, Antonio Matías; Arias Carrasco, José Miguel; Gómez Camacho, Joaquín José (American Physical Society, 2012-01-01)
The quantum description of a particle moving in a deformed potential is investigated. A pseudostate (PS) basis is used to ...
Presentation
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Decoherence and quantum quench: Their relationship with excited state quantum phase transitions

García Ramos, José Enrique; Arias Carrasco, José Miguel; Cejnar, Pavel; Dukelsky, Jorge; Pérez Fernández, Pedro; Relaño, Armando (American Institute of Physics, 2012-01-01)
We study the similarities and differences between the phenomena of Quantum Decoherence and Quantum Quench in presence of ...
Presentation
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Excited state quantum phase transitions and chaos in the Dicke model

Pérez Fernández, Pedro; Relaño, Armando; Cejnar, Pavel; Arias Carrasco, José Miguel; Dukelsky, Jorge; García Ramos, José Enrique (American Institute of Physics, 2012-01-01)
In this contribution, the critical behavior of excited state quantum phase transitions (ESQPT's) and its relation to order ...
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Core excitation effects in the breakup of halo nuclei

Moro Muñoz, Antonio Matías; Diego, Raúl de; Lay Valera, José Antonio; Crespo, R.; Johnson, Ron C.; Arias Carrasco, José Miguel; Gómez Camacho, Joaquín José (American Institute of Physics, 2012-01-01)
The role of core excitation in the structure and dynamics of two-body halo nuclei is investigated. We present calculations ...
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Core excitation effects in halo nuclei using a transformed oscillator basis

Lay Valera, José Antonio; Arias Carrasco, José Miguel; Gómez Camacho, Joaquín José; Moro Muñoz, Antonio Matías (American Institute of Physics, 2012-01-01)
A recent generalization of the Transformed Harmonic Oscillator basis, intended to consider core excitations in the structure ...
Presentation
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A beyond mean field study of Bose gases in a double-well potential with a Feshbach resonance

Pérez Fernández, Pedro; Relaño, Armando; Dukelsky, Jorge; Arias Carrasco, José Miguel (American Institute of Physics, 2012-01-01)
The Bose-Hubbard model coupled to a Feshbach resonance is studied. Quantum phase transitions are analyzed within a beyond ...
Presentation
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Stabilization method in two-body systems with core excitations

Lay Valera, José Antonio; Arias Carrasco, José Miguel; Gómez Camacho, Joaquín José; Moro Muñoz, Antonio Matías (American Institute of Physics, 2012-01-01)
The validity of the stabilization method in core+valence systems including the possibility of exciting the core is studied. ...
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Review of critical point symmetries and shape phasetransitions within algebraic and collective models

Fortunato, Lorenzo; Alonso Alonso, Clara Eugenia; Arias Carrasco, José Miguel; Vitturi, Andrea (2012-01-01)
Several aspect of shape phase transitions and critical point symmstries are reviewed inthis contribution within the ...
PhD Thesis
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Descripción de la estructura y reacciones de núcleos exóticos en una base de oscilador armónico transformado

Arias Carrasco, José Miguel; Moro Muñoz, Antonio Matías; Lay Valera, José Antonio (2012-01-01)
La estructura del presente trabajo queda como sigue. En la sección 1.1 se exponen los modelos que se utilizaran para la ...
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Quantum quench influenced by an excited-state phase transition

Pérez Fernández, Pedro; Cejnar, P.; Arias Carrasco, José Miguel; Dukelsky, Jorge; García Ramos, José Enrique; Relaño, Armando (American Physical Society, 2011-01-01)
We analyze excited-state quantum phase transitions (ESQPTs) in three schematic (integrable and nonintegrable) models ...
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Odd-even 147–153Pm isotopes within the neutron-proton interacting boson-fermion model

Barea, J.; Alonso Alonso, Clara Eugenia; Arias Carrasco, José Miguel (American Physical Society, 2011-01-01)
Low-lying energy states of the 147 -153Pm isotopic chain are studied within the framework of the neutron-proton interacting ...
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Excited-state phase transition and onset of chaos in quantum optical models

Pérez Fernández, Pedro; Relaño, Armando; Arias Carrasco, José Miguel; Cejnar, P.; Dukelsky, Jorge; García Ramos, José Enrique (American Physical Society, 2011-01-01)
We study the critical behavior of excited states and its relation to order and chaos in the Jaynes-Cummings and Dicke ...
PhD Thesis
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Estudio de transiciones de fase cuánticas en sistemas de dos niveles

Relaño, Armando; Arias Carrasco, José Miguel; Dukelsky, Jorge; Pérez Fernández, Pedro (2011-01-01)
El trabajo se estructura en 6 capítulos. El capítulo 1 posee fundamentalmente un carácter de introducción teórica a las ...
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Phase diagram for a cubic-Q interacting boson model Hamiltonian: Signs of triaxiality

Fortunato, Lorenzo; Alonso Alonso, Clara Eugenia; Arias Carrasco, José Miguel; García Ramos, José Enrique; Vitturi, Andrea (American Physical Society, 2011-01-01)
An extension of the Interacting Boson Model that includes the cubic (QI×QI×Q I)(0) term is proposed. The potential energy ...
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Novel results from an algebraic approach to molecular bending dynamics

Pérez Bernal, Francisco; Álvarez Bajo, O.; Arias Carrasco, José Miguel; Carvajal, M.; García Ramos, José Enrique; Larese, Danielle; Pérez Fernández, Pedro (Institute of Physics Publishing, 2011-01-01)
We present a brief review of research topics of current interest that depend on an algebraic approach to molecular bending ...
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Finite-size corrections in the bosonic algebraic approach to two-dimensional systems

Pérez Fernández, Pedro; Arias Carrasco, José Miguel; García Ramos, José Enrique; Pérez Bernal, Francisco (American Physical Society, 2011-01-01)
Analytical results beyond the mean-field-limit approximation for several observables of the two-dimensional limit of the ...
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Search for critical-point nuclei in terms of the sextic oscillator

Lévai, G.; Arias Carrasco, José Miguel (The American Physical Society, 2010-01-01)
The spherical to deformed γ-unstable shape transition in nuclei is discussed in terms of the sextic oscillator as a ...
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Exploring continuum structures with a pseudo-state basis

Lay Valera, José Antonio; Moro Muñoz, Antonio Matías; Arias Carrasco, José Miguel; Gómez Camacho, Joaquín José (The American Physical Society, 2010-01-01)
The ability of a recently developed square-integrable discrete basis to represent the properties of the continuum of a ...
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Shape phase transition in odd-even nuclei: From spherical to deformed γ -unstable shapes

Böyükata, Mahmut; Alonso Alonso, Clara Eugenia; Arias Carrasco, José Miguel; Fortunato, Lorenzo; Vitturi, Andrea (The American Physical Society, 2010-01-01)
Shape phase transitions in odd-A nuclei are investigated within the framework of the interacting boson-fermion model. The ...
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Relationship between X(5) models and the interacting boson model

Barea, J.; Arias Carrasco, José Miguel; García Ramos, José Enrique (The American Physical Society, 2010-01-01)
The connections between the X(5) models [the original X(5) using an infinite square well, X(5)-β8, X(5)-β6, X(5)-β4, and ...
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Coherent state approach to the interacting boson model: Test of its validity in the transitional region

Inci, I.; Alonso Alonso, Clara Eugenia; Arias Carrasco, José Miguel; Fortunato, Lorenzo; Vitturi, Andrea (The American Physical Society, 2009-01-01)
The predictive power of the coherent state (CS) approach to the interacting boson model (IBM) is tested far from the IBM ...
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Four-body continuum-discretized coupled-channels calculations

Rodríguez Gallardo, Manuela; Arias Carrasco, José Miguel; Gómez Camacho, Joaquín José; Moro Muñoz, Antonio Matías; Thompson, I. J.; Tostevin, J. A. (The American Physical Society, 2009-01-01)
The development of a continuum-bin scheme of discretization for three-body projectiles is necessary for studies of reactions ...
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Analytical transformed harmonic oscillator basis for continuum discretized coupled channels calculations

Moro Muñoz, Antonio Matías; Arias Carrasco, José Miguel; Pérez Bernal, Francisco; Gómez Camacho, Joaquín José (The American Physical Society, 2009-01-01)
A new method for continuum discretization in continuum-discretized coupled-channels calculations is proposed. The method ...
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UBF(5) to SUBF(3) shape phase transition in odd nuclei for j=1/2, 3/2, and 5/2 orbits: The role of the odd particle at the critical point

Alonso Alonso, Clara Eugenia; Arias Carrasco, José Miguel; Fortunato, Lorenzo; Vitturi, Andrea (The American Physical Society, 2009-01-01)
We investigate the phase transition in odd nuclei within the Interacting Boson Fermion Model in correspondence with the ...
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Understanding 6He induced reactions at energies around the Coulomb barrier

Moro Muñoz, Antonio Matías; Acosta, Luis; Arias Carrasco, José Miguel; García Borge, María José; Escrig, D.; Gómez Camacho, Joaquín José; Martel, Ismael; Rodríguez Gallardo, Manuela; Sánchez Benítez, A. M.; Tengblad, Olof (American Institute of Physics, 2009-01-01)
Recent developments aimed to understand the observed features arising in the scattering of the Borromean nucleus 6He on ...
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Decoherence due to an excited-state quantum phase transition in a two-level boson model

Pérez Fernández, Pedro; Relaño, Armando; Arias Carrasco, José Miguel; Dukelsky, Jorge; García Ramos, José Enrique (American Physical Society, 2009-01-01)
The decoherence induced on a single qubit by its interaction with the environment is studied. The environment is modeled ...
Presentation
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Connection between decoherence and excited state quantum phase transitions

Pérez Fernández, Pedro; Relaño, Armando; Arias Carrasco, José Miguel; Dukelsky, Jorge; García Ramos, José Enrique (American Institute of Physics, 2009-01-01)
In this work we explore the relationship between an excited state quantum phase transition (ESQPT) and the phenomenon of ...
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Four-body continuum-discretized coupled-channels calculations: Application to 6He+64Zn at 13.6 MeV

Rodríguez Gallardo, Manuela; Arias Carrasco, José Miguel; Gómez Camacho, Joaquín José; Moro Muñoz, Antonio Matías; Thompson, J.; Tostevin, Jeffrey A. (American Institute of Physics, 2009-01-01)
The recently developed four-body continuum-discretized coupled-channels (CDCC) method, making use of the binning procedure ...
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Decoherence as a Signature of an Excited State Quantum Phase Transition in Two Level Boson Systems

García Ramos, José Enrique; Arias Carrasco, José Miguel; Dukelsky, Jorge; Pérez Fernández, Pedro; Relaño, Armando (American Institute of Physics, 2009-01-01)
We analyze the decoherence induced on a single qubit by the interaction with a two-level boson system with critical internal ...
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Shape phase transitions and critical points

Alonso Alonso, Clara Eugenia; Arias Carrasco, José Miguel; Fortunato, Lorenzo; Vitturi, Andrea (American Institute of Physics, 2009-01-01)
We investigate different aspects connected with shape phase transitions in nuclei and the possible occurrence of dynamical ...
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On the relation between E(5)- models and the interacting boson model

García Ramos, José Enrique; Arias Carrasco, José Miguel (American Institute of Physics, 2009-01-01)
The connections between the Ε(5)-models (the original Ε(5) using an infinite square well, Ε(5) - β4 Ε(5) - β6 and Ε(5) - ...
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Remarks on shape phase transitions in nuclei

Fortunato, Lorenzo; Vitturi, Andrea; Alonso Alonso, Clara Eugenia; Arias Carrasco, José Miguel (Institute of Physics Publishing, 2009-01-01)
Various aspects of shape phase transitions in even as well as odd systems are reviewed. Firstly, the case of an odd j 3/2 ...
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Population of mixed-symmetry states via α transfer reactions

Alonso Alonso, Clara Eugenia; Arias Carrasco, José Miguel; Fortunato, Lorenzo; Pietralla, N.; Vitturi, Andrea (The American Physical Society, 2008-01-01)
Within the neutron-proton interacting boson model we study the population of mixed-symmetry states via α transfer processes. ...
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Relation between E(5) models and the interacting boson model

García Ramos, José Enrique; Arias Carrasco, José Miguel (The American Physical Society, 2008-01-01)
The connections between the E(5) models [the original E(5) using an infinite square well, E(5)-β4, E(5)-β6, and E(5)-β8], ...
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Four-body continuum-discretized coupled-channels calculations using a transformed harmonic oscillator basis

Rodríguez Gallardo, Manuela; Arias Carrasco, José Miguel; Gómez Camacho, Joaquín José; Johnson, R. C.; Moro Muñoz, Antonio Matías; Thompson, I. J.; Tostevin, J. A. (The American Physical Society, 2008-01-01)
The scattering of a weakly bound three-body system by a target is discussed. A transformed harmonic oscillator basis is ...
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Decoherence as a signature of an excited-state quantum phase transition

Relaño, Armando; Arias Carrasco, José Miguel; Dukelsky, Jorge; García Ramos, José Enrique; Pérez Fernández, Pedro (American Physical Society, 2008-01-01)
We analyze the decoherence induced on a single qubit by the interaction with a two-level boson system with critical internal ...
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Shape phase transitions in odd-A nuclei

Alonso Alonso, Clara Eugenia; Arias Carrasco, José Miguel; Fortunato, L.; Vitturi, A. (American Institute of Physics, 2008-01-01)
We investigate shape phase transitions in odd nuclei within the Interacting Boson Fermion Model. Special attention is given ...
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Critical-point symmetries in Boson-Fermion systems: The case of shape transitions in odd nuclei in a multiorbit model

Alonso Alonso, Clara Eugenia; Arias Carrasco, José Miguel; Vitturi, Andrea (American Physical Review, 2007-02-05)
We investigate phase transitions in boson-fermion systems. We propose an analytically solvable model [E(5/12)] to describe ...
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Two-level interacting boson models beyond the mean field

Arias Carrasco, José Miguel (American Physical Society, 2007-01-26)
The phase diagram of two-level boson Hamiltonians, including the interacting boson model (IBM), is studied beyond the ...
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Shape phase transition in odd nuclei in a multi- j model: The UB(6) ⊗ UF(12) case

Alonso Alonso, Clara Eugenia; Arias Carrasco, José Miguel; Vitturi, Andrea (The American Physical Society, 2007-01-01)
The phase transition in odd nuclei when the underlying even-even core nuclei experience a transition from spherical to ...
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Improved di-neutron cluster model for 6 He scattering

Moro Muñoz, Antonio Matías; Rusek, K.; Arias Carrasco, José Miguel; Gómez Camacho, Joaquín José; Rodríguez Gallardo, Manuela (American Physical Society, 2007-01-01)
The structure of the three-body Borromean nucleus He6 is approximated by a two-body di-neutron cluster model. The binding ...
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Shape-phase transitions and two-particle transfer intensities

Alonso Alonso, Clara Eugenia; Fossion, R.; Arias Carrasco, José Miguel; Fortunato, Lorenzo; Vitturi, Andrea (The American Physical Society, 2007-01-01)
In the light of renewed interest in experiments on two-particle transfer reactions, we study the evolution of the transfer ...
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One-particle spectroscopic intensities as a signature of shape phase transition: The γ -unstable case

Alonso Alonso, Clara Eugenia; Arias Carrasco, José Miguel; Vitturi, Andrea (American Physical Society, 2006-08-09)
We investigate the evolution of one-particle spectroscopic intensities as a possible signature of shape phase transitions. ...
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Coulomb breakup in a transformed harmonic oscillator basis

Moro Muñoz, Antonio Matías; Pérez Bernal, Francisco; Arias Carrasco, José Miguel; Gómez Camacho, Joaquín José (American Physical Society, 2006-05-10)
The problem of Coulomb breakup in the scattering of a two-body loosely bound projectile by a heavy target is addressed. A ...
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Scalar two-level boson model to study the interacting boson model phase diagram in the Casten triangle

Arias Carrasco, José Miguel; García Ramos, José Enrique; Vidal, Julien; Dukelsky, Jorge (American Physical Society, 2006-01-01)
We introduce a simple two-level boson model with the same energy surface as the Q-consistent interacting boson model ...
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Probing 6He structure from proton inelastic collisions

Crespo, R.; Moro Muñoz, Antonio Matías; Thompson, I. J.; Rodríguez Gallardo, Manuela; Gómez Camacho, Joaquín José; Arias Carrasco, José Miguel (American Institute of Physics, 2006-01-01)
We explore the Hyperspherical Harmonics pseudostate method to describe the 6He continuum. The method is use it within the multiple scattering of the transition amplitude (MST) approach to study inelastic scattering of p-6He at 700 MeV/u.
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Continuous unitary transformations in two-level boson systems

Dusuel, Sébastien; Vidal, Julien; Arias Carrasco, José Miguel; Dukelsky, Jorge; García Ramos, José Enrique (American Physical Society, 2005-12-01)
Two-level boson systems displaying a quantum phase transition from a spherical (symmetric) to a deformed (broken) phase ...
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Finite-size scaling exponents in the interacting boson model

Dusuel, Sébastien; Vidal, Julien; Arias Carrasco, José Miguel; Dukelsky, Jorge; García Ramos, José Enrique (American Physical Society, 2005-07-01)
We investigate the finite-size scaling exponents for the critical point at the shape-phase transition from U(5) (spherical) ...
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Phase transitions in the interacting boson fermion model: The γ -unstable case

Alonso Alonso, Clara Eugenia; Arias Carrasco, José Miguel; Fortunato, R.; Vitturi, Andrea (American Physical Society, 2005-01-11)
The phase transition around the critical point in the evolution from spherical to deformed γ-unstable shapes is investigated ...
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Three-body continuum discretization in a basis of transformed harmonic oscillator states

Rodríguez Gallardo, Manuela; Arias Carrasco, José Miguel; Gómez Camacho, Joaquín José; Moro Muñoz, Antonio Matías; Thompson, I. J.; Tostevin, J. A. (American Physical Society, 2005-01-01)
The inclusion of the continuum in the study of weakly bound three-body systems is discussed. A transformed harmonic ...
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One nucleon transfer operator and nuclear supersymmetry

Barea, J.; Alonso Alonso, Clara Eugenia; Arias Carrasco, José Miguel; Jolie, J. (American Physical Society, 2005-01-01)
The appropriate use of the interacting boson-fermion model one nucleon transfer operator in connection with ...
PhD Thesis
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Descripción del continuo en una base discreta: estructura del núcleo 6He y las reacciones que induce

Arias Carrasco, José Miguel; Gómez Camacho, Joaquín José; Rodríguez Gallardo, Manuela (2005-01-01)
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β4 potential at the U(5)–O(6) critical point of the interacting boson model

García Ramos, José Enrique; Dukelsky, Jorge; Arias Carrasco, José Miguel (American Physical Society, 2005-01-01)
Exact numerical results of the interacting boson model Hamiltonian along the integrable line from U(5) to O(6) are obtained ...
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Phase diagram of the proton-neutron interacting boson model

Arias Carrasco, José Miguel; García Ramos, José Enrique; Dukelsky, Jorge (American Physical Society, 2004-11-19)
We study the phase diagram of the proton-neutron interacting boson model with special emphasis on the phase transitions leading to triaxial phases. The existence of a new critical point between spherical and triaxial shapes is reported.
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Describing resonances in a discrete basis

Rodríguez Gallardo, Manuela; Arias Carrasco, José Miguel; Gómez Camacho, Joaquín José (American Physical Society, 2004-03-01)
The problem of describing resonances when the continuum is represented by a discrete set of normalizable states is addressed. ...
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The sextic oscillator as a γ-independent potential

Lévai, G.; Arias Carrasco, José Miguel (American Physical Society, 2004-01-01)
The sextic oscillator is proposed as a two-parameter solvable g-independent potential in the Bohr Hamiltonian. It is shown ...
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Quantum phase transitions in the interacting boson model: Integrability, level repulsion, and level crossing

Arias Carrasco, José Miguel; Dukelsky, Jorge; García Ramos, José Enrique (American Physical Review, 2003-10-17)
We study the quantum phase transition mechanisms that arise in the interacting boson model. We show that the second-order ...
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U(5)-O(6) transition in the interacting boson model and the E(5) critical point symmetry

Arias Carrasco, José Miguel; Alonso Alonso, Clara Eugenia; Vitturi, Andrea; García Ramos, José Enrique; Dukelsky, Jorge; Frank, A. (American Physical Society, 2003-10-01)
The relation of the recently proposed E(5) critical point symmetry with the interacting boson model is ...
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Phase transitions and critical points in the rare-earth region

García Ramos, José Enrique; Arias Carrasco, José Miguel; Barea, J.; Frank, A. (American Physical Society, 2003-08-01)
A systematic study of isotope chains in the rare-earth region is presented. For chains 60 144 2 154Nd, 62 146 2 160Sm, 64 ...
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Continuum discretization using orthogonal polynomials

Pérez Bernal, Francisco; Martel Bravo, I.; Arias Carrasco, José Miguel; Gómez Camacho, Joaquín José (American Physical Society, 2003-01-01)
A method for discretizing the continuum by using a transformed harmonic oscillator basis has recently been presented [Phys. ...
PhD Thesis
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Desarrollos microscópicos y cálculos en el marco del modelo de bosones y fermiones en interacción

Alonso Alonso, Clara Eugenia; Arias Carrasco, José Miguel; Barranco Paulano, Francisco; Barea Muñoz, José (2002-12-10)
La presente Tesis Doctoral se desarrolla en el marco de los modelos de bosones en interacción (IBM) y de bosones y fermiones ...
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Anharmonic double-phonon excitations in the interacting boson model

García Ramos, José Enrique; Arias Carrasco, José Miguel; Van Isacker, Piet (American Physical Society, 2002-12-01)
Double−γ vibrations in deformed nuclei are analyzed in the context of the interacting boson model. A simple extension of ...
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Boson-conserving one-nucleon transfer operator in the interacting boson model

Barea, J.; Alonso Alonso, Clara Eugenia; Arias Carrasco, José Miguel (American Physical Society, 2002-03-01)
The boson-conserving one-nucleon transfer operator in the interacting boson model (IBM) is reanalyzed. Extra ...
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Coupling to breakup channels using a transformed harmonic oscillator basis

Moro Muñoz, Antonio Matías; Arias Carrasco, José Miguel; Gómez Camacho, Joaquín José; Martel, I.; Pérez Bernal, Francisco; Crespo, Raquel; Nunes, Filomena (American Physical Society, 2002-01-01)
The application of a recently proposed procedure for discretizing the continuum to collision processes involving ...
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Search for E(5) symmetry in nuclei: The Ru isotopes

Frank, A.; Alonso Alonso, Clara Eugenia; Arias Carrasco, José Miguel (American Physical Society, 2002-01-01)
We carry out an interacting boson model study of the Ru isotopes using a U(5)-SO(6) transitional Hamiltonian with fixed ...
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A method of continuum discretization and its application to the scattering of weakly bound nuclei

Arias Carrasco, José Miguel; Pérez Bernal, Francisco; Martel Bravo, Ismael; Moro Muñoz, Antonio Matías; Gómez Camacho, Joaquín José (2002-01-01)
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Continuum coupling in one-dimensional scattering using a transformed harmonic oscillator basis

Martel Bravo, I.; Pérez Bernal, Francisco; Rodríguez Gallardo, Manuela; Arias Carrasco, José Miguel; Gómez Camacho, Joaquín José (American Physical Society, 2002-01-01)
The continuum coupling in a one-dimensional scattering problem was studied within a semiclassical approach by means of a ...
PhD Thesis
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Métodos analíticos para el tratamiento de potenciales anarmónicos en física molecular

Arias Carrasco, José Miguel; Gómez Camacho, Joaquín José; Lemus Casillas, Renato; Carvajal Zaera, Miguel (2001-02-16)
El propósito de esta tesis es utilizar dos métodos analíticos para la descripción vibracional de moléculas, que incluyen ...
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E2 transitions and quadrupole moments in the E(5) symmetry

Arias Carrasco, José Miguel (American Physical Society, 2001-01-01)
E2 transitions and quadrupole moments are studied in the recently proposed E~5! symmetry by using the intrinsic state ...
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Continuum discretization in a basis of transformed harmonic-oscillator states

Pérez Bernal, Francisco; Martel Bravo, I.; Arias Carrasco, José Miguel; Gómez Camacho, Joaquín José (American Physical Society, 2001-01-01)
The method of defining a transformed harmonic-oscillator (THO) basis, designed to take an account of continuum, by an ...
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Anharmonic double-γ vibrations in nuclei and their description in the interacting boson model

García Ramos, José Enrique; Alonso Alonso, Clara Eugenia; Arias Carrasco, José Miguel; Van Isacker, Piet (American Physical Society, 2000-04-01)
Double-γ vibrations in deformed nuclei are studied in the context of the interacting boson model with special reference ...
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Intrinsic state for an extended version of the interacting boson model

García Ramos, José Enrique; Arias Carrasco, José Miguel; Dukelsky, Jorge; Van Isacker, Piet (American Physical Society, 2000-03-01)
An intrinsic-state formalism for the interacting boson model IBM-4 is presented. A basis of deformed bosons is introduced ...
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Coupling of Dipole Mode to γ -unstable Quadrupole Oscillations

Alonso Alonso, Clara Eugenia; Andrés Martín, María Victoria; Arias Carrasco, José Miguel; Lanza, Edoardo G.; Vitturi, Andrea (Elsevier, 2000-01-01)
The coupling of the high-lying dipole mode to the low-lying quadrupole modes for the case of deformed γ-unstable nuclei ...
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Configuration localized wave functions: General formalism and applications to vibrational spectroscopy of diatomic molecules

Pérez Bernal, Francisco; Arias Carrasco, José Miguel; Carvajal Zaera, Miguel; Gómez Camacho, Joaquín José (American Physical Society, 2000-01-01)
A general formalism for constructing configuration localized states for one-dimensional potentials is presented. It allows ...
PhD Thesis
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Análisis, construcción y verificación experimental de un sistema de radiofrecuencia para la detección no destructiva de fluctuaciones de fase en haces iónicos pulsados emergentes de un acelerador electrostático

Arias Carrasco, José Miguel; Quesada Molina, José Manuel; Barbadillo Rank, Manuel (1999-05-01)
Esta tesis doctoral abarca el análisis previo, los fundamentos de proyecto, los procedimientos para la construcción y la ...
PhD Thesis
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Extensiones del modelo de bosones en interacción para su aplicación a problemas actuales de estructura nuclear

Arias Carrasco, José Miguel; Van Isacker, Piet; García Ramos, José Enrique (1999-01-01)
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Comment on “Pairing interaction and Galilei invariance”

Arias Carrasco, José Miguel; Gallardo Fuentes, María Isabel; Gómez Camacho, Joaquín José (American Physical Society, 1999-01-01)
A recent article by Dussel, Sofia, and Tonina studies the relation between Galilei invariance and dipole energy weighted ...
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Analytic evaluation of Franck-Condon integrals for anharmonic vibrational wave functions

Carvajal Zaera, Miguel; Arias Carrasco, José Miguel; Gómez Camacho, Joaquín José (American Physical Society, 1999-01-01)
The problem of calculating Franck-Condon overlap integrals in molecular transitions between vibrational states in different ...
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Configuration localized Morse wave functions: Application to vibrational transitions in anharmonic diatomic molecules

Carvajal Zaera, Miguel; Arias Carrasco, José Miguel; Gómez Camacho, Joaquín José (American Physical Society, 1999-01-01)
The bound states of a Morse potential are described in terms of a basis of states that are characterized for being eigenstates ...
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Hartree-Bose mean-field approximation for the interacting boson model (IBM-3)

García Ramos, José Enrique; Arias Carrasco, José Miguel; Dukelsky, Jorge; Moya de Guerra, E.; Van Isacker, Piet (American Physical Society, 1998-02-01)
A Hartree-Bose mean-field approximation for the IBM-3 is presented. A Hartree-Bose transformation from spherical to deformed ...
PhD Thesis
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Métodos algebraicos en física molecular: el modelo de osciladores anarmónicos simetrizados (AOSM) para el estudio de la estructura vibracional y una aproximación analítica a la dispersión de electrones por moléculas polares.

Arias Carrasco, José Miguel; Lemus Casillas, Renato; Pérez Bernal, Francisco (1998-01-01)
En esta Tesis se presentan los resultados del trabajo realizado durante cuatro años en el Instituto de Ciencias Nucleares ...
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Scattering of low-energy electrons by polar molecules: An analytic approach

Gómez Camacho, Joaquín José; Pérez Bernal, Francisco; Arias Carrasco, José Miguel (American Physical Society, 1998-01-01)
The scattering of low-energy electrons by polar molecules is considered. The excitation to the rotational states in the ...
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A Hartree-Bose mean-field approximation for IBM-3

García Ramos, José Enrique; Arias Carrasco, José Miguel; Dukelsky, Jorge; Moya De Guerra, E.; Van Isacker, Piet (Springer Nature, 1998-01-01)
A Hartree-Bose mean-field approximation for the IBM-3 is presented. A Hartree-Bose transformation from the spherical to ...
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Intrinsic structure of two-phonon states in the interacting boson model

García Ramos, José Enrique; Alonso Alonso, Clara Eugenia; Arias Carrasco, José Miguel; Van Isacker, Piet; Vitturi, Andrea (Elsevier, 1998-01-01)
A general study of excitations up to two-phonon states is carried out using the intrinsicstate formalism of the Interacting ...
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A symmetry adapted approach to vibrational excitations in atomic clusters

Frank, Alejandro; Lemus Casillas, Renato; Bijker, R.; Pérez Bernal, Francisco; Arias Carrasco, José Miguel (Springer Nature, 1998-01-01)
An algebraic method especially suited to describe the strongly anharmonic vibrational spectra in molecules may be an ...
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A local anharmonic treatment of vibrations of methane

Arias Carrasco, José Miguel; Pérez Bernal, Francisco; Frank, A.; Lemus Casillas, Renato; Bijker, R. (1997-01-01)
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Comment on “Boson-realization model for the vibrational spectra of tetrahedral molecules”

Lemus Casillas, Renato; Pérez Bernal, Francisco; Frank, Alejandro; Bijker, R.; Arias Carrasco, José Miguel (American Physical Society, 1997-01-01)
An algebraic model in terms of a local harmonic boson realization was recently proposed to study molecular vibrational ...
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On the relation between algebraic and configuration space calculations of molecular vibrations

Pérez Bernal, Francisco; Bijker, R.; Frank, A.; Lemus, R.; Arias Carrasco, José Miguel (Elsevier, 1996-03-01)
The relation between algebraic and traditional calculations of molecular vibrations is investigated. An explicit connection between interactions in configuration space and the corresponding algebraic interactions is established.
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A Symmetry-Adapted Algebraic Approach to Molecular Spectroscopy

Pérez Bernal, Francisco; Arias Carrasco, José Miguel; Frank, A.; Lemus, R.; Bijker, R. (Scielo, 1996-01-01)
We apply a symmetry-adapted algebraic model to the vibrational excitations in D_3h and T_d molecules. A systematic procedure ...
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A symmetry adapted approach to molecular spectroscopy: the anharmonic oscillator symmetry model

Bijker, R.; Arias Carrasco, José Miguel; Pérez Bernal, Francisco; Frank, A.; Lemus Casillas, Renato (1996-01-01)
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A general algebraic model for molecular vibrational spectroscopy

Frank, Alejandro; Lemus Casillas, Renato; Bijker, R.; Pérez Bernal, Francisco; Arias Carrasco, José Miguel (Elsevier, 1996-01-01)
We introduce the anharmonic oscillator symmetry model to describe vibrational excitations in molecular systems exhibiting ...
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Algebraic description of stretching and bending modes in nonlinear triatomic-molecules

Arias Carrasco, José Miguel; Pérez Bernal, Francisco; Lemus Casillas, Renato; Frank, A. (1995-01-01)
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Analytic description of the scattering of electrons by molecules

Gómez Camacho, Joaquín José; Arias Carrasco, José Miguel; Nagarajan, M. A. (American Physical Society, 1995-01-01)
The scattering of electrons by molecules is considered. The structure of the molecule is described in terms of the vibron ...
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Consistent baryon mapping of quark systems

Pittel, Stuart; Arias Carrasco, José Miguel; Dukelsky, Jorge; Frank, A. (American Physical Society, 1994-01-01)
We present a new and consistent mapping of colorless three-quark clusters onto colorless triplet fermions (baryons) and ...
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On the use of baryon mappings to derive nuclei from quarks

Arias Carrasco, José Miguel; Frank Hoeflich, Alejandro; Pittel, Stuart; Dukelsky, Jorge (1994-01-01)
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First observation of scissors mode states in an odd-mass nucleus

Bauske, I.; Arias Carrasco, José Miguel; Von Brentano, Peter; Frank, Alejandro; Friedrichs, H.; Heil, R. D.; Herzberg, Rolf Dietmar; Hoyler, Frieder; Van Isacker, Piet; Kneißl, Ulrich; Margraf, Johannes T.; Pitz, H. H.; Wesselborg, Christopher; Zilges, Andreas (American Physical Society, 1993-01-01)
Nuclear resonance fluorescence experiments are reported to search for enhanced M1 scissors mode states in the deformed ...
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Test of the proton-neutron interacting boson-fermion model in the region around A=190

Arias Carrasco, José Miguel; Alonso Alonso, Clara Eugenia; Lozano Leyva, Manuel Luis (American Physical Society, 1986-01-01)
We present systematic calculations on nuclei in the region around A=190 within the framework of the proton-neutron interacting ...
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Backbending of Dy isotopes described with the neutron-photon IBA plus two-quasiparticle model

Alonso Alonso, Clara Eugenia; Arias Carrasco, José Miguel; Lozano Leyva, Manuel Luis (Elsevier, 1986-01-01)
The formalism of the neutron-photon interacting boson model, extended to include two-quasiparticle excitations, is used ...
PhD Thesis
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Nuclear structure information obtained from charge radii

Alonso Alonso, Clara Eugenia; Arias Carrasco, José Miguel; Iachello, F. (Elsevier, 1985-01-01)
We analyze the nuclear structure information obtained from measurements of charge radii in even-even and even-odd nuclei ...
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A calculation of low-lying collective states in odd-even nuclei

Alonso Alonso, Clara Eugenia; Arias Carrasco, José Miguel; Bijker, R.; Iachello, F. (Elsevier, 1984-01-01)
We present results of a calculation of properties of low-lying collective quadrupole states in odd-even nuclei within the framework of the proton-neutron interacting boson-fermion model.
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Prealignment B(E2)-anomaly in 124Xe

Hanewinkel, H.; Gast, Werner; Kaup, U.; Harter, H.; Dewald, Alfred; Gelberg, Adrian; Reinhardt, R.; Von Brentano, Peter; Zemel, A.; Alonso Alonso, Clara Eugenia; Arias Carrasco, José Miguel (Elsevier, 1983-01-01)
Lifetimes of 17 levels of 124Xe were measured using the Recoil Distance Doppler Shift method. An anomalous E2-reduction ...