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Listar por autor "García Ramos, José Enrique"
Mostrando ítems 21-40 de 40
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Artículo
Intrinsic state for an extended version of the interacting boson model
García Ramos, José Enrique; Arias Carrasco, José Miguel; Dukelsky, Jorge; Isacker, Piet van (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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Artículo
Intrinsic structure of two-phonon states in the interacting boson model
García Ramos, José Enrique; Alonso Alonso, Clara Eugenia; Arias Carrasco, José Miguel; Isacker, Piet van; Vitturi, Andrea (Elsevier, 1998)A general study of excitations up to two-phonon states is carried out using the intrinsicstate formalism of the Interacting ...
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Artículo
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)We present a brief review of research topics of current interest that depend on an algebraic approach to molecular bending ...
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Artículo
Nuclear Physics in the Era of Quantum Computing andQuantum Machine Learning
García Ramos, José Enrique; Sáiz Castillo, Álvaro; Arias Carrasco, José Miguel; Lamata Manuel, Lucas; Pérez Fernández, Pedro (Wiley, 2024-05)In this paper, the application of quantum simulations and quantum machine learning is explored to solve problems in ...
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Artículo
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)We present a number conserving particle-hole RPA theory for collective excitations in the transition from normal to ...
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Ponencia
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)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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Artículo
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)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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Artículo
Phase diagram of an extended Agassi model
García Ramos, José Enrique; Dukelsky, Jorge; Pérez Fernández, Pedro; Arias Carrasco, José Miguel (American Physical Society, 2018)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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Artículo
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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Artículo
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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Artículo
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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Artículo
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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Artículo
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)We analyze excited-state quantum phase transitions (ESQPTs) in three schematic (integrable and nonintegrable) models ...
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Artículo
Relation between E(5) models and the interacting boson model
García Ramos, José Enrique; Arias Carrasco, José Miguel (The American Physical Society, 2008)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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Artículo
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)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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Artículo
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)We introduce a simple two-level boson model with the same energy surface as the Q-consistent interacting boson model ...
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Ponencia
Scaling properties of the Lipkin model at the critical point
Arias Carrasco, José Miguel; García Ramos, José Enrique (American Institute of Physics, 2019)The influence of Franco Iachello in Physics during the last 50 years and, in particular, in the use of algebraic methods ...
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Artículo
Scattering of 6He at energies around the Coulomb barrier
Sánchez Benítez, A. M.; Escrig, D.; González Álvarez, Marcos Aurelio; Andrés Martín, María Victoria; García Borge, María José; Espino Navas, José Manuel; García Ramos, José Enrique; Gómez Camacho, Joaquín José; Martel, Ismael; Moro Muñoz, Antonio Matías; Tengblad, Olof (Institute of Physics Publishing, 2005)We have measured elastic cross sections of the scattering of 6He at ELab = 14, 16, 17, 18, 22 MeV on 208Pb in the angular ...
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Artículo
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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Artículo
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)Exact numerical results of the interacting boson model Hamiltonian along the integrable line from U(5) to O(6) are obtained ...