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  • Eigenvalue statistics of reduced density matrix during driving and relaxation
    Mierzejewski, Marcin ...
    We study a subsystem of an isolated one-dimensional correlated metal when it is driven by a steady electric field or when it relaxes after driving. We obtain numerically exact reduced density matrix ... ▫$\rho$▫ for subsystems which are sufficiently large to give significant eigenvalue statistics and spectra of ▫$\log{(\rho)}$▫. We show that both for generic as well as for the integrable model, the statistics follows the universality of Gaussian unitary and orthogonal ensembles for driven and equilibrium systems, respectively. Moreover, the spectra of modestly driven subsystems are well described by the Gibbs thermal distribution with the entropy determined by the time-dependent energy only.
    Vir: Physical review letters. - ISSN 0031-9007 (Vol. 110, iss. 20, 2013, str. 200602-1-200602-5)
    Vrsta gradiva - članek, sestavni del
    Leto - 2013
    Jezik - angleški
    COBISS.SI-ID - 2573412

vir: Physical review letters. - ISSN 0031-9007 (Vol. 110, iss. 20, 2013, str. 200602-1-200602-5)
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