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Enhancement of Local Pairing Correlations in Periodically Driven Mott Insulators

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arxiv 1904.00857 v2 pith:HRLMUOQZ submitted 2019-04-01 cond-mat.str-el

Francesco Peronaci , Olivier Parcollet , Marco Schiró This is my paper · ORCID
classification cond-mat.str-el
keywords correlationsmottenhancementhamiltonianinsulatorslocalpairingabove
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We investigate a model for a Mott insulator in presence of a time-periodic modulated interaction and a coupling to a thermal reservoir. The combination of drive and dissipation leads to non-equilibrium steady states with a large number of doublon excitations, well above the maximum thermal-equilibrium value. We interpret this effect as an enhancement of local pairing correlations, providing analytical arguments based on a Floquet Hamiltonian. Remarkably, this Hamiltonian shows a tendency to develop long-range staggered superconducting correlations. This suggests the possibility of realizing the elusive eta-pairing phase in driven-dissipative Mott Insulators.

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Cited by 2 Pith papers

Reviewed papers in the Pith corpus that reference this work. Sorted by Pith novelty score. Full citation record

  1. $\eta$--paired superconducting hidden phase in photodoped Mott insulators

    cond-mat.str-el 2019-08 conditional novelty 7.0 of 10

    Photodoping a repulsive Hubbard Mott insulator can stabilize a metastable eta-pairing superconducting phase, detectable through a zero-frequency conductivity peak and negative high-frequency conductivity.

  2. Entropy-cooled nonequilibrium states of the Hubbard model

    cond-mat.str-el 2019-08 conditional novelty 6.0 of 10

    Using entropy-shuttling narrow bands, the authors prepare cold photo-doped, negative-temperature superconducting, and eta-paired nonequilibrium states of the Hubbard model within nonequilibrium DMFT.

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