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  • Title: Fluctuation-dissipation theorem in an isolated system of quantum dipolar bosons after a quench.
    Author: Khatami E, Pupillo G, Srednicki M, Rigol M.
    Journal: Phys Rev Lett; 2013 Aug 02; 111(5):050403. PubMed ID: 23952371.
    Abstract:
    We examine the validity of fluctuation-dissipation relations in isolated quantum systems taken out of equilibrium by a sudden quench. We focus on the dynamics of trapped hard-core bosons in one-dimensional lattices with dipolar interactions whose strength is changed during the quench. We find indications that fluctuation-dissipation relations hold if the system is nonintegrable after the quench, as well as if it is integrable after the quench if the initial state is an equilibrium state of a nonintegrable Hamiltonian. On the other hand, we find indications that they fail if the system is integrable both before and after quenching.
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