Journal
JOURNAL OF STATISTICAL MECHANICS-THEORY AND EXPERIMENT
Volume -, Issue -, Pages -Publisher
IOP PUBLISHING LTD
DOI: 10.1088/1742-5468/2012/07/P07022
Keywords
correlation functions; exact results; stationary states
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Funding
- EPSRC [EP/I032487/1]
- ERC [279391 EDEQS]
- EPSRC [EP/I032487/1] Funding Source: UKRI
- Engineering and Physical Sciences Research Council [EP/I032487/1] Funding Source: researchfish
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We consider the stationary state properties of the reduced density matrix as well as spin-spin correlation functions after a sudden quantum quench of the magnetic field in the transverse field Ising chain. We demonstrate that stationary state properties are described by a generalized Gibbs ensemble. We discuss the approach to the stationary state at late times.
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