- idUS
- Investigación
- Ciencias
- Física Aplicada III
- Artículos (Física Aplicada III)
- Browsing Artículos (Física Aplicada III) by Author
Browsing Artículos (Física Aplicada III) by Author "Arias Carrasco, José Miguel"
Now showing items 1-16 of 16
-
Article
A digital quantum simulation of the Agassi model
Pérez Fernández, Pedro; Arias Carrasco, José Miguel; García Ramos, José Enrique; Lamata Manuel, Lucas (Elsevier, 2022)A digital quantum simulation of the Agassi model from nuclear physics is proposed and analyzed. The proposal is worked out ...
-
Article
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)The Agassi model (Agassi 1968 Nucl. Phys. A 116 49) is a schematic two-level model that involves pairing and monopole-monopole ...
-
Article
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)We analyze the decoherence induced on a single qubit by the interaction with a two-level boson system with critical internal ...
-
Article
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)The decoherence induced on a single qubit by its interaction with the environment is studied. The environment is modeled ...
-
Article
Entropies and IPR as Markers for a Phase Transition in a Two-Level Model for Atom–Diatomic Molecule Coexistence
Baena, Ignacio; Pérez Fernández, Pedro; Rodríguez Gallardo, Manuela; Arias Carrasco, José Miguel (Multidisciplinary Digital Publishing Institute (MDPI), 2022)A quantum phase transition (QPT) in a simple model that describes the coexistence of atoms and diatomic molecules is ...
-
Article
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)We study the critical behavior of excited states and its relation to order and chaos in the Jaynes-Cummings and Dicke ...
-
Article
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 ...
-
Article
Excited-state Quantum Phase Transitions in the Anharmonic Lipkin-Meshkov-Glick Model: Dynamical Aspects
Khalouf Rivera, Yamil; Gamito, J.; Pérez Bernal, Francisco; Arias Carrasco, José Miguel; Pérez Fernández, Pedro (American Physical Society, 2023)The standard Lipkin-Meshkov-Glick (LMG) model undergoes a second-order ground-state quantum phase transition (QPT) and an ...
-
Article
Excited-state Quantum Phase Transitions in the Anharmonic Lipkin-Meshkov-Glick Model: Static Aspects
Gamito, J.; Khalouf Rivera, Yamil; Arias Carrasco, José Miguel; Pérez Fernández, Pedro; Pérez Bernal, Francisco (American Physical Society, 2022)The basic Lipkin-Meshkov-Glick model displays a second-order ground-state quantum phase transition and an excited-state ...
-
Article
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)Analytical results beyond the mean-field-limit approximation for several observables of the two-dimensional limit of the ...
-
Article
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 ...
-
Article
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 ...
-
Article
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 ...
-
Article
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 ...
-
Article
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)The ground state and spectral properties of Bose gases in double-well potentials are studied in two different scenarios: ...
-
Article
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 ...