Artículo
Excited-state phase transition and onset of chaos in quantum optical models
Autor/es | Pérez Fernández, Pedro
Relaño, Armando Arias Carrasco, José Miguel Cejnar, P. Dukelsky, Jorge García Ramos, José Enrique |
Departamento | Universidad de Sevilla. Departamento de Física Atómica, Molecular y Nuclear Universidad de Sevilla. Departamento de Fïsica Aplicada III |
Fecha de publicación | 2011 |
Fecha de depósito | 2017-12-04 |
Publicado en |
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Resumen | We study the critical behavior of excited states and its relation to order and chaos in the Jaynes-Cummings and Dicke models of quantum optics. We show that both models exhibit a chain of excited-state quantum phase ... We study the critical behavior of excited states and its relation to order and chaos in the Jaynes-Cummings and Dicke models of quantum optics. We show that both models exhibit a chain of excited-state quantum phase transitions demarcating the upper edge of the superradiant phase. For the Dicke model, the signatures of criticality in excited states are blurred by the onset of quantum chaos. We show that the emergence of quantum chaos is caused by the precursors of the excited-state quantum phase transition. |
Identificador del proyecto | 202/09/0084
MSM 0021620859 FIS2009-07277 FIS2008-04189 FIS2009-11621-C02-01 FPA2007-63074 CSPD-2007-00042-Ingenio FQM160 FQM318 P05-FQM437 P07-FQM-02962 |
Cita | Pérez Fernández, P., Relaño, A., Arias Carrasco, J.M., Cejnar, P., Dukelsky, J. y García Ramos, J.E. (2011). Excited-state phase transition and onset of chaos in quantum optical models. Physical Review E - Statistical, Nonlinear, and Soft Matter Physics, 83, 046208-1-046208-4. |
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