Decoherence and quantum quench: their relationship with excited state quantum phase transitions

We study the similarities and differences between the phenomena of Quantum Decoherence and Quantum Quench in presence of an Excited State Quantum Phase Transition (ESQPT). We analyze, on one hand, the decoherence induced on a single qubit by the interaction with a two-level boson system with critica...

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Detalhes bibliográficos
Autores: García Ramos, J. E., Arias, J. M., Cejnar, P., Dukelsky, J., Pérez Fernández, P., Relaño Pérez, Armando
Formato: capítulo de livro
Fecha de publicación:2012
País:España
Recursos:Universidad Complutense de Madrid (UCM)
Repositorio:Docta Complutense
Idioma:inglés
OAI Identifier:oai:docta.ucm.es:20.500.14352/45628
Acesso em linha:https://hdl.handle.net/20.500.14352/45628
Access Level:acceso abierto
Palavra-chave:536
Quantum decoherence
Quantum quench
Excited state quantum phase transition
Física (Física)
22 Física
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oai_identifier_str oai:docta.ucm.es:20.500.14352/45628
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repository_id_str
spelling Decoherence and quantum quench: their relationship with excited state quantum phase transitionsGarcía Ramos, J. E.Arias, J. M.Cejnar, P.Dukelsky, J.Pérez Fernández, P.Relaño Pérez, Armando536Quantum decoherenceQuantum quenchExcited state quantum phase transitionFísica (Física)22 FísicaWe study the similarities and differences between the phenomena of Quantum Decoherence and Quantum Quench in presence of an Excited State Quantum Phase Transition (ESQPT). We analyze, on one hand, the decoherence induced on a single qubit by the interaction with a two-level boson system with critical internal dynamics and, on the other, we treat the quantum relaxation process that follows an abrupt quench in the control parameter of the system Hamiltonian. We explore how the Quantum Decoherence and the quantum relaxation process are affected by the presence of an ESQPT. We conclude that the dynamics of the qubit or the quantum relaxation process change dramatically when the system passes through a continuous ESQPT.American Institute of Physics (AIP)Universidad Complutense de Madrid20122012-01-0120122012-01-01book parthttp://purl.org/coar/resource_type/c_3248info:eu-repo/semantics/bookPartapplication/pdfhttps://hdl.handle.net/20.500.14352/45628reponame:Docta Complutenseinstname:Universidad Complutense de Madrid (UCM)Inglésengopen accesshttp://purl.org/coar/access_right/c_abf2info:eu-repo/semantics/openAccessoai:docta.ucm.es:20.500.14352/456282026-06-02T12:44:21Z
dc.title.none.fl_str_mv Decoherence and quantum quench: their relationship with excited state quantum phase transitions
title Decoherence and quantum quench: their relationship with excited state quantum phase transitions
spellingShingle Decoherence and quantum quench: their relationship with excited state quantum phase transitions
García Ramos, J. E.
536
Quantum decoherence
Quantum quench
Excited state quantum phase transition
Física (Física)
22 Física
title_short Decoherence and quantum quench: their relationship with excited state quantum phase transitions
title_full Decoherence and quantum quench: their relationship with excited state quantum phase transitions
title_fullStr Decoherence and quantum quench: their relationship with excited state quantum phase transitions
title_full_unstemmed Decoherence and quantum quench: their relationship with excited state quantum phase transitions
title_sort Decoherence and quantum quench: their relationship with excited state quantum phase transitions
dc.creator.none.fl_str_mv García Ramos, J. E.
Arias, J. M.
Cejnar, P.
Dukelsky, J.
Pérez Fernández, P.
Relaño Pérez, Armando
author García Ramos, J. E.
author_facet García Ramos, J. E.
Arias, J. M.
Cejnar, P.
Dukelsky, J.
Pérez Fernández, P.
Relaño Pérez, Armando
author_role author
author2 Arias, J. M.
Cejnar, P.
Dukelsky, J.
Pérez Fernández, P.
Relaño Pérez, Armando
author2_role author
author
author
author
author
dc.contributor.none.fl_str_mv Universidad Complutense de Madrid
dc.subject.none.fl_str_mv 536
Quantum decoherence
Quantum quench
Excited state quantum phase transition
Física (Física)
22 Física
topic 536
Quantum decoherence
Quantum quench
Excited state quantum phase transition
Física (Física)
22 Física
description We study the similarities and differences between the phenomena of Quantum Decoherence and Quantum Quench in presence of an Excited State Quantum Phase Transition (ESQPT). We analyze, on one hand, the decoherence induced on a single qubit by the interaction with a two-level boson system with critical internal dynamics and, on the other, we treat the quantum relaxation process that follows an abrupt quench in the control parameter of the system Hamiltonian. We explore how the Quantum Decoherence and the quantum relaxation process are affected by the presence of an ESQPT. We conclude that the dynamics of the qubit or the quantum relaxation process change dramatically when the system passes through a continuous ESQPT.
publishDate 2012
dc.date.none.fl_str_mv 2012
2012-01-01
2012
2012-01-01
dc.type.none.fl_str_mv book part
http://purl.org/coar/resource_type/c_3248
dc.type.openaire.fl_str_mv info:eu-repo/semantics/bookPart
format bookPart
dc.identifier.none.fl_str_mv https://hdl.handle.net/20.500.14352/45628
url https://hdl.handle.net/20.500.14352/45628
dc.language.none.fl_str_mv Inglés
eng
language_invalid_str_mv Inglés
language eng
dc.rights.none.fl_str_mv open access
http://purl.org/coar/access_right/c_abf2
dc.rights.openaire.fl_str_mv info:eu-repo/semantics/openAccess
rights_invalid_str_mv open access
http://purl.org/coar/access_right/c_abf2
eu_rights_str_mv openAccess
dc.format.none.fl_str_mv application/pdf
dc.publisher.none.fl_str_mv American Institute of Physics (AIP)
publisher.none.fl_str_mv American Institute of Physics (AIP)
dc.source.none.fl_str_mv reponame:Docta Complutense
instname:Universidad Complutense de Madrid (UCM)
instname_str Universidad Complutense de Madrid (UCM)
reponame_str Docta Complutense
collection Docta Complutense
repository.name.fl_str_mv
repository.mail.fl_str_mv
_version_ 1869408021127364608
score 15,301603

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