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Quantum quench in the transverse-field Ising chain.

Abstract:

We consider the time evolution of observables in the transverse-field Ising chain after a sudden quench of the magnetic field. We provide exact analytical results for the asymptotic time and distance dependence of one- and two-point correlation functions of the order parameter. We employ two complementary approaches based on asymptotic evaluations of determinants and form-factor sums. We prove that the stationary value of the two-point correlation function is not thermal, but can be described...

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Publication status:
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Authors


Calabrese, P More by this author
More by this author
Institution:
University of Oxford
Department:
Oxford, MPLS, Physics, Theoretical Physics
More by this author
Institution:
University of Oxford
Department:
Oxford, MPLS, Physics, Astrophysics
Journal:
Physical review letters
Volume:
106
Issue:
22
Pages:
227203
Publication date:
2011-06-05
DOI:
EISSN:
1079-7114
ISSN:
0031-9007
URN:
uuid:6059daec-fff0-4c38-b8b3-0fb0ee5e3896
Source identifiers:
163924
Local pid:
pubs:163924
Language:
English
Keywords:

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