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Dynamical correlations after a quantum quench.

Abstract:

We consider dynamic (non-equal-time) correlation functions of local observables after a quantum quench. We show that, in the absence of long-range interactions in the final Hamiltonian, the dynamics is determined by the same ensemble that describes static (equal-time) correlations. For many integrable models, static correlation functions of local observables after a quantum quench relax to stationary values, which are described by a generalized Gibbs ensemble. The same generalized Gibbs ensem...

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Publication status:
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Institution:
University of Oxford
Division:
MPLS
Department:
Physics
Sub department:
Theoretical Physics
Role:
Author
More by this author
Institution:
University of Oxford
Division:
MPLS
Department:
Physics
Sub department:
Astrophysics
Role:
Author
Journal:
Physical Review Letters More from this journal
Volume:
109
Issue:
24
Pages:
247206
Publication date:
2012-12-01
DOI:
EISSN:
1079-7114
ISSN:
0031-9007
Language:
English
Keywords:
Pubs id:
pubs:345876
UUID:
uuid:6237bede-835e-40d2-8d74-4dc852029388
Local pid:
pubs:345876
Source identifiers:
345876
Deposit date:
2012-12-19

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