Ponencia
Connection between decoherence and excited state quantum phase transitions
Autor/es | Pérez Fernández, Pedro
Relaño, Armando Arias Carrasco, José Miguel Dukelsky, Jorge García Ramos, José Enrique |
Departamento | Universidad de Sevilla. Departamento de Física Atómica, Molecular y Nuclear Universidad de Sevilla. Departamento de Física Aplicada III |
Fecha de publicación | 2009 |
Fecha de depósito | 2019-03-26 |
Publicado en |
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ISBN/ISSN | 978-073540776-3 0094-243X 1551-7616 |
Resumen | In this work we explore the relationship between an excited state quantum phase transition (ESQPT) and the phenomenon of quantum decoherence. For this purpose, we study how the decoherence is affected by the presence of a ... In this work we explore the relationship between an excited state quantum phase transition (ESQPT) and the phenomenon of quantum decoherence. For this purpose, we study how the decoherence is affected by the presence of a continuous ESQPT in the environment. This one is modeled as a two level boson system described by a Lipkin Hamiltonian. We will show that the decoherence of the system is maximal when the environment undergoes a continuous ESQPT. |
Cita | Pérez Fernández, P., Relaño, A., Arias Carrasco, J.M., Dukelsky, J. y García Ramos, J.E. (2009). Connection between decoherence and excited state quantum phase transitions. En 2009 La Rabida International Scientific Meeting on Nuclear Physics: "Basic Concepts in Nuclear Physics: Theory, Experiments and Applications" (233-234), La Rábida: American Institute of Physics. |
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