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Article Dans Une Revue Physical Review Letters Année : 2015

Exponentially Slow Heating in Periodically Driven Many-Body Systems

Résumé

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 , 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 decay of highly energetic excitations in cold atomic and solid-state systems .
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Dates et versions

hal-01253114 , version 1 (11-01-2016)

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Dmitry Abanin, Wojciech de Roeck, François Huveneers. Exponentially Slow Heating in Periodically Driven Many-Body Systems. Physical Review Letters, 2015, 115 (256803), ⟨10.1103/PhysRevLett.115.256803⟩. ⟨hal-01253114⟩
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