Listar Artículos (Física Aplicada III) por autor 

Listar Artículos (Física Aplicada III) por autor "García Ramos, José Enrique"  

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      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 ...
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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)
      The Agassi model (Agassi 1968 Nucl. Phys. A 116 49) is a schematic two-level model that involves pairing and monopole-monopole ...
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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)
      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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      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 ...
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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)
      We study the critical behavior of excited states and its relation to order and chaos in the Jaynes-Cummings and Dicke ...
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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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      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 ...
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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)
      We present a brief review of research topics of current interest that depend on an algebraic approach to molecular bending ...
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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)
      We present a number conserving particle-hole RPA theory for collective excitations in the transition from normal to ...
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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)
      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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      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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      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 ...