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.

Quantum quenches in the transverse field Ising chain: II. Stationary state properties

CALABRESE, PASQUALE;
2012-01-01

Abstract

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.
2012
Calabrese, Pasquale; Essler, Fhl; Fagotti, M.
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Utilizza questo identificativo per citare o creare un link a questo documento: https://hdl.handle.net/11568/152360
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