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    Exponentially Slow Heating in Periodically Driven Many-Body Systems

    Dmitry A. Abanin1,*, Wojciech De Roeck2, and François Huveneers3

    • 1Department of Theoretical Physics, University of Geneva, 1211 Genève 4, Switzerland
    • 2Instituut voor Theoretische Fysica, KU 3001 Leuven, Belgium
    • 3CEREMADE, Universite Paris-Dauphine, 75775 Paris Cedex 16, France
    • *On leave from Perimeter Institute for Theoretical Physics, Waterloo, Canada.

    Phys. Rev. Lett. 115, 256803 – Published 15 December, 2015

    DOI: https://doi.org/10.1103/PhysRevLett.115.256803

    Abstract

    We derive general bounds on the linear response energy absorption rates of periodically driven many-body systems of spins or fermions on a lattice. We show that, for systems with local interactions, the energy absorption rate decays exponentially as a function of driving frequency in any number of spatial dimensions. These results imply that topological many-body states in periodically driven systems, although generally metastable, can have very long lifetimes. We discuss applications to other problems, including the decay of highly energetic excitations in cold atomic and solid-state systems.

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