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dc.contributor.author
Ermann, Leonardo
dc.contributor.author
Shepelyansky, Dima L.
dc.date.available
2016-12-12T15:18:08Z
dc.date.issued
2013-12
dc.identifier.citation
Ermann, Leonardo; Shepelyansky, Dima L.; Quantum Gibbs distribution from dynamical thermalization in classical nonlinear lattices; Iop Publishing; New Journal Of Physics; 15; 12-2013; 123004-123021
dc.identifier.issn
1367-2630
dc.identifier.uri
http://hdl.handle.net/11336/9102
dc.description.abstract
We study numerically time evolution in classical lattices with weak or moderate nonlinearity which leads to interactions between linear modes. Our results show that in a certain strength range a moderate nonlinearity generates a dynamical thermalization process which drives the system to the quantum Gibbs distribution of probabilities, or average oscillation amplitudes. The effective dynamical temperature of the lattice varies from large positive to large negative values depending on the energy of the initially excited modes. This quantum Gibbs distribution is drastically different from the usually expected energy equipartition over linear modes corresponding to a regime of classical thermalization. Possible experimental observations of this dynamical thermalization are discussed for cold atoms in optical lattices, nonlinear photonic lattices and optical fiber arrays.
dc.format
application/pdf
dc.language.iso
eng
dc.publisher
Iop Publishing
dc.rights
info:eu-repo/semantics/openAccess
dc.rights.uri
https://creativecommons.org/licenses/by/2.5/ar/
dc.subject
Quantum Gibbs
dc.subject
Thermalization
dc.subject
Nonlinear Systems
dc.subject.classification
Física de los Materiales Condensados
dc.subject.classification
Ciencias Físicas
dc.subject.classification
CIENCIAS NATURALES Y EXACTAS
dc.title
Quantum Gibbs distribution from dynamical thermalization in classical nonlinear lattices
dc.type
info:eu-repo/semantics/article
dc.type
info:ar-repo/semantics/artículo
dc.type
info:eu-repo/semantics/publishedVersion
dc.date.updated
2016-11-24T17:23:21Z
dc.journal.volume
15
dc.journal.pagination
123004-123021
dc.journal.pais
Reino Unido
dc.journal.ciudad
Londres
dc.description.fil
Fil: Ermann, Leonardo. Comision Nacional de Energia Atomica. Gerencia Quimica. CAC; Argentina. Consejo Nacional de Investigaciones Científicas y Técnicas; Argentina
dc.description.fil
Fil: Shepelyansky, Dima L.. Centre National de la Recherche Scientifique; Francia
dc.journal.title
New Journal Of Physics
dc.relation.alternativeid
info:eu-repo/semantics/altIdentifier/url/http://iopscience.iop.org/1367-2630/15/12/123004/article
dc.relation.alternativeid
info:eu-repo/semantics/altIdentifier/doi/http://dx.doi.org/10.1088/1367-2630/15/12/123004


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