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Listar Artículos (Física Aplicada III) por autor "Dukelsky, Jorge"
Mostrando ítems 1-8 de 8
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Artículo
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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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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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: ...
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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 ...