Prethermalization and glassiness in the bosonic Hubbard model
- Autores
- Salazar Landea, Ignacio; Nessi, Emilio Nicolás
- Año de publicación
- 2015
- Idioma
- inglés
- Tipo de recurso
- artículo
- Estado
- versión publicada
- Descripción
- We investigate the nonequilibrium dynamics of the bosonic Hubbard model starting from inhomogeneous superfluid or Mott insulator initial states using the truncated Wigner approximation (TWA). We find that the relaxation of the system develops in two steps for sufficiently large interaction strengths: after a fast relaxation the system gets caught in metastable prethermalized states that precede the true equilibrium state. We find that the lifetime of these prethermalized states increases by several orders of magnitude as we increase the on-site interaction strength beyond a threshold value. We show that the emergence of long-lived metastable states in the quantum dynamics is associated with an ergodic (active) to nonergodic (inactive) dynamical phase transition in the ensemble of classical trajectories that contribute to the semiclassical limit. This dynamical phase transition, which is very similar to that found in different classical models of glasses, is closely related to the dynamic heterogeneity of the classical relaxation.
Instituto de Física La Plata - Materia
-
Física
Hubbard model
Physics
Mott insulator
Phase transition
Quantum dynamics
Superfluidity
Relaxation (physics)
Semiclassical physics
Quantum mechanics
Non-equilibrium thermodynamics - Nivel de accesibilidad
- acceso abierto
- Condiciones de uso
- http://creativecommons.org/licenses/by-nc-sa/4.0/
- Repositorio
- Institución
- Universidad Nacional de La Plata
- OAI Identificador
- oai:sedici.unlp.edu.ar:10915/125805
Ver los metadatos del registro completo
id |
SEDICI_81baaa6c5f789e36a25d1f34d0ffd053 |
---|---|
oai_identifier_str |
oai:sedici.unlp.edu.ar:10915/125805 |
network_acronym_str |
SEDICI |
repository_id_str |
1329 |
network_name_str |
SEDICI (UNLP) |
spelling |
Prethermalization and glassiness in the bosonic Hubbard modelSalazar Landea, IgnacioNessi, Emilio NicolásFísicaHubbard modelPhysicsMott insulatorPhase transitionQuantum dynamicsSuperfluidityRelaxation (physics)Semiclassical physicsQuantum mechanicsNon-equilibrium thermodynamicsWe investigate the nonequilibrium dynamics of the bosonic Hubbard model starting from inhomogeneous superfluid or Mott insulator initial states using the truncated Wigner approximation (TWA). We find that the relaxation of the system develops in two steps for sufficiently large interaction strengths: after a fast relaxation the system gets caught in metastable prethermalized states that precede the true equilibrium state. We find that the lifetime of these prethermalized states increases by several orders of magnitude as we increase the on-site interaction strength beyond a threshold value. We show that the emergence of long-lived metastable states in the quantum dynamics is associated with an ergodic (active) to nonergodic (inactive) dynamical phase transition in the ensemble of classical trajectories that contribute to the semiclassical limit. This dynamical phase transition, which is very similar to that found in different classical models of glasses, is closely related to the dynamic heterogeneity of the classical relaxation.Instituto de Física La Plata2015-06-02info:eu-repo/semantics/articleinfo:eu-repo/semantics/publishedVersionArticulohttp://purl.org/coar/resource_type/c_6501info:ar-repo/semantics/articuloapplication/pdfhttp://sedici.unlp.edu.ar/handle/10915/125805enginfo:eu-repo/semantics/altIdentifier/issn/1050-2947info:eu-repo/semantics/altIdentifier/issn/1094-1622info:eu-repo/semantics/altIdentifier/doi/10.1103/physreva.91.063601info:eu-repo/semantics/openAccesshttp://creativecommons.org/licenses/by-nc-sa/4.0/Creative Commons Attribution-NonCommercial-ShareAlike 4.0 International (CC BY-NC-SA 4.0)reponame:SEDICI (UNLP)instname:Universidad Nacional de La Platainstacron:UNLP2025-09-29T11:30:14Zoai:sedici.unlp.edu.ar:10915/125805Institucionalhttp://sedici.unlp.edu.ar/Universidad públicaNo correspondehttp://sedici.unlp.edu.ar/oai/snrdalira@sedici.unlp.edu.arArgentinaNo correspondeNo correspondeNo correspondeopendoar:13292025-09-29 11:30:14.349SEDICI (UNLP) - Universidad Nacional de La Platafalse |
dc.title.none.fl_str_mv |
Prethermalization and glassiness in the bosonic Hubbard model |
title |
Prethermalization and glassiness in the bosonic Hubbard model |
spellingShingle |
Prethermalization and glassiness in the bosonic Hubbard model Salazar Landea, Ignacio Física Hubbard model Physics Mott insulator Phase transition Quantum dynamics Superfluidity Relaxation (physics) Semiclassical physics Quantum mechanics Non-equilibrium thermodynamics |
title_short |
Prethermalization and glassiness in the bosonic Hubbard model |
title_full |
Prethermalization and glassiness in the bosonic Hubbard model |
title_fullStr |
Prethermalization and glassiness in the bosonic Hubbard model |
title_full_unstemmed |
Prethermalization and glassiness in the bosonic Hubbard model |
title_sort |
Prethermalization and glassiness in the bosonic Hubbard model |
dc.creator.none.fl_str_mv |
Salazar Landea, Ignacio Nessi, Emilio Nicolás |
author |
Salazar Landea, Ignacio |
author_facet |
Salazar Landea, Ignacio Nessi, Emilio Nicolás |
author_role |
author |
author2 |
Nessi, Emilio Nicolás |
author2_role |
author |
dc.subject.none.fl_str_mv |
Física Hubbard model Physics Mott insulator Phase transition Quantum dynamics Superfluidity Relaxation (physics) Semiclassical physics Quantum mechanics Non-equilibrium thermodynamics |
topic |
Física Hubbard model Physics Mott insulator Phase transition Quantum dynamics Superfluidity Relaxation (physics) Semiclassical physics Quantum mechanics Non-equilibrium thermodynamics |
dc.description.none.fl_txt_mv |
We investigate the nonequilibrium dynamics of the bosonic Hubbard model starting from inhomogeneous superfluid or Mott insulator initial states using the truncated Wigner approximation (TWA). We find that the relaxation of the system develops in two steps for sufficiently large interaction strengths: after a fast relaxation the system gets caught in metastable prethermalized states that precede the true equilibrium state. We find that the lifetime of these prethermalized states increases by several orders of magnitude as we increase the on-site interaction strength beyond a threshold value. We show that the emergence of long-lived metastable states in the quantum dynamics is associated with an ergodic (active) to nonergodic (inactive) dynamical phase transition in the ensemble of classical trajectories that contribute to the semiclassical limit. This dynamical phase transition, which is very similar to that found in different classical models of glasses, is closely related to the dynamic heterogeneity of the classical relaxation. Instituto de Física La Plata |
description |
We investigate the nonequilibrium dynamics of the bosonic Hubbard model starting from inhomogeneous superfluid or Mott insulator initial states using the truncated Wigner approximation (TWA). We find that the relaxation of the system develops in two steps for sufficiently large interaction strengths: after a fast relaxation the system gets caught in metastable prethermalized states that precede the true equilibrium state. We find that the lifetime of these prethermalized states increases by several orders of magnitude as we increase the on-site interaction strength beyond a threshold value. We show that the emergence of long-lived metastable states in the quantum dynamics is associated with an ergodic (active) to nonergodic (inactive) dynamical phase transition in the ensemble of classical trajectories that contribute to the semiclassical limit. This dynamical phase transition, which is very similar to that found in different classical models of glasses, is closely related to the dynamic heterogeneity of the classical relaxation. |
publishDate |
2015 |
dc.date.none.fl_str_mv |
2015-06-02 |
dc.type.none.fl_str_mv |
info:eu-repo/semantics/article info:eu-repo/semantics/publishedVersion Articulo http://purl.org/coar/resource_type/c_6501 info:ar-repo/semantics/articulo |
format |
article |
status_str |
publishedVersion |
dc.identifier.none.fl_str_mv |
http://sedici.unlp.edu.ar/handle/10915/125805 |
url |
http://sedici.unlp.edu.ar/handle/10915/125805 |
dc.language.none.fl_str_mv |
eng |
language |
eng |
dc.relation.none.fl_str_mv |
info:eu-repo/semantics/altIdentifier/issn/1050-2947 info:eu-repo/semantics/altIdentifier/issn/1094-1622 info:eu-repo/semantics/altIdentifier/doi/10.1103/physreva.91.063601 |
dc.rights.none.fl_str_mv |
info:eu-repo/semantics/openAccess http://creativecommons.org/licenses/by-nc-sa/4.0/ Creative Commons Attribution-NonCommercial-ShareAlike 4.0 International (CC BY-NC-SA 4.0) |
eu_rights_str_mv |
openAccess |
rights_invalid_str_mv |
http://creativecommons.org/licenses/by-nc-sa/4.0/ Creative Commons Attribution-NonCommercial-ShareAlike 4.0 International (CC BY-NC-SA 4.0) |
dc.format.none.fl_str_mv |
application/pdf |
dc.source.none.fl_str_mv |
reponame:SEDICI (UNLP) instname:Universidad Nacional de La Plata instacron:UNLP |
reponame_str |
SEDICI (UNLP) |
collection |
SEDICI (UNLP) |
instname_str |
Universidad Nacional de La Plata |
instacron_str |
UNLP |
institution |
UNLP |
repository.name.fl_str_mv |
SEDICI (UNLP) - Universidad Nacional de La Plata |
repository.mail.fl_str_mv |
alira@sedici.unlp.edu.ar |
_version_ |
1844616182160687104 |
score |
13.070432 |