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Cited by 462

The DOI matches its Crossref record; 34 of the 34 references it cites were found in a registry or an index.

Exact Relaxation in a Class of Nonequilibrium Quantum Lattice Systems

Open access
Cramer, M., Dawson, C. M., Eisert, J., Osborne, T. J.·2008·Physical Review Letters

Abstract

A reasonable physical intuition in the study of interacting quantum systems says that, independent of the initial state, the system will tend to equilibrate. In this work we introduce an experimentally accessible setting where relaxation to a steady state is exact, namely, for the Bose-Hubbard model quenched from a Mott quantum phase to the free strong superfluid regime. We rigorously prove that the evolving state locally relaxes to a steady state with maximum entropy constrained by second moments--thus maximizing the entanglement. Remarkably, for this to be true, no time average is necessary. Our argument includes a central limit theorem and exploits the finite speed of information transfer. We also show that for all periodic initial configurations (charge density waves) the system relaxes locally, and identify experimentally accessible signatures in optical lattices as well as implications for the foundations of statistical mechanics.

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Metadata

Authors
Cramer, M., Dawson, C. M., Eisert, J., & Osborne, T. J.
Venue
Physical Review Letters
Published
2008-01-24
Volume
100
Issue
3
Pages
030602-030602
ISSN
  • 0031-9007 (ISSN-L)
  • 1079-7114
OpenAlex
W2066867649
Cited by
462
References
34
FWCI
19.92
Type
journal article
Language
en
Open access
green

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CoChat. (2026). Citation check: Exact Relaxation in a Class of Nonequilibrium Quantum Lattice Systems. https://app.cochat.ai/papers/10.1103/physrevlett.100.030602
The paper
Cramer, M., Dawson, C. M., Eisert, J., & Osborne, T. J. (2008). Exact Relaxation in a Class of Nonequilibrium Quantum Lattice Systems. Physical Review Letters. https://doi.org/10.1103/physrevlett.100.030602

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Contains information from the Semantic Scholar Academic Graph Datasets, made available under the ODC Attribution License (ODC-BY 1.0).

Semantic Scholar’s data is described in: Kinney, R., et al. (2023). The Semantic Scholar Open Data Platform. arXiv:2301.10140.