English   español  
Please use this identifier to cite or link to this item: http://hdl.handle.net/10261/44149
logo share SHARE logo core CORE   Add this article to your Mendeley library MendeleyBASE

Visualizar otros formatos: MARC | Dublin Core | RDF | ORE | MODS | METS | DIDL
Exportar a otros formatos:


Quantum quench dynamics of the sine-Gordon model in some solvable limits

AuthorsIucci, A.; Cazalilla, M. A.
Issue DateMay-2010
PublisherInstitute of Physics Publishing
CitationNew Journal of Physics 12: 055019 (2010)
AbstractWith regard to the thermalization problem in isolated quantum systems, we investigate the dynamics following a quantum quench of the sine-Gordon model (sGM) in the Luther–Emery and the semiclassical limits. We consider the quench from the gapped to the gapless phase, as well as the reverse one. By obtaining analytic expressions for the one- and two-point correlation functions of the order parameter operator at zero-temperature, the manifestations of integrability in the absence of thermalization in the sGM are studied. It is shown that correlations in the long-time regime after the quench are well described by a generalized Gibbs ensemble. We also consider the case where the system is initially in contact with a reservoir at finite temperature. The possible relevance of our results to current and future experiments with ultracold atomic systems is also considered.
Description27 páginas.
Publisher version (URL)http://dx.doi.org/10.1088/1367-2630/12/5/055019
Appears in Collections:(CFM) Artículos
Files in This Item:
File Description SizeFormat 
Quantum quench dynamics.pdf706,14 kBAdobe PDFThumbnail
Show full item record
Review this work

Related articles:

WARNING: Items in Digital.CSIC are protected by copyright, with all rights reserved, unless otherwise indicated.