Time dependence of correlation functions following a quantum quench

We show that the time dependence of correlation functions in an extended quantum system in d dimensions, which is prepared in the ground state of some Hamiltonian and then evolves without dissipation according to some other Hamiltonian, may be extracted using methods of boundary critical phenomena i...

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Bibliographic Details
Main Authors: Calabrese, P, Cardy, J
Format: Journal article
Language:English
Published: 2006