Please use this identifier to cite or link to this item: https://doi.org/10.1103/PhysRevE.81.051135
Title: Thermalization and ergodicity in one-dimensional many-body open quantum systems
Authors: Žnidarič, M.
Prosen, T.
Benenti, G.
Casati, G. 
Rossini, D.
Issue Date: 27-May-2010
Source: Žnidarič, M., Prosen, T., Benenti, G., Casati, G., Rossini, D. (2010-05-27). Thermalization and ergodicity in one-dimensional many-body open quantum systems. Physical Review E - Statistical, Nonlinear, and Soft Matter Physics 81 (5) : -. ScholarBank@NUS Repository. https://doi.org/10.1103/PhysRevE.81.051135
Abstract: Using an approach based on the time-dependent density-matrix renormalization-group method, we study the thermalization in spin chains locally coupled to an external bath. Our results provide evidence that quantum chaotic systems do thermalize, that is, they exhibit relaxation to an invariant ergodic state which, in the bulk, is well approximated by the grand canonical state. Moreover, the resulting ergodic state in the bulk does not depend on the details of the baths. On the other hand, for integrable systems we found that the invariant state in general depends on the bath and is different from the grand canonical state. © 2010 The American Physical Society.
Source Title: Physical Review E - Statistical, Nonlinear, and Soft Matter Physics
URI: http://scholarbank.nus.edu.sg/handle/10635/112533
ISSN: 15393755
DOI: 10.1103/PhysRevE.81.051135
Appears in Collections:Staff Publications

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