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Three-body correlations in nonlinear response of correlated quantum liquid

Author

Listed:
  • Tokuro Hata

    (Osaka University)

  • Yoshimichi Teratani

    (Osaka City University)

  • Tomonori Arakawa

    (Osaka University
    Osaka University)

  • Sanghyun Lee

    (Osaka University)

  • Meydi Ferrier

    (Osaka University
    Université Paris-Saclay, CNRS, Laboratoire de Physique des Solides)

  • Richard Deblock

    (Université Paris-Saclay, CNRS, Laboratoire de Physique des Solides)

  • Rui Sakano

    (The University of Tokyo)

  • Akira Oguri

    (Osaka City University
    Osaka City University)

  • Kensuke Kobayashi

    (Osaka University
    The University of Tokyo
    The University of Tokyo)

Abstract

Behavior of quantum liquids is a fascinating topic in physics. Even in a strongly correlated case, the linear response of a given system to an external field is described by the fluctuation-dissipation relations based on the two-body correlations in the equilibrium. However, to explore nonlinear non-equilibrium behaviors of the system beyond this well-established regime, the role of higher order correlations starting from the three-body correlations must be revealed. In this work, we experimentally investigate a controllable quantum liquid realized in a Kondo-correlated quantum dot and prove the relevance of the three-body correlations in the nonlinear conductance at finite magnetic field, which validates the recent Fermi liquid theory extended to the non-equilibrium regime.

Suggested Citation

  • Tokuro Hata & Yoshimichi Teratani & Tomonori Arakawa & Sanghyun Lee & Meydi Ferrier & Richard Deblock & Rui Sakano & Akira Oguri & Kensuke Kobayashi, 2021. "Three-body correlations in nonlinear response of correlated quantum liquid," Nature Communications, Nature, vol. 12(1), pages 1-7, December.
    • Handle: RePEc:nat:natcom:v:12:y:2021:i:1:d:10.1038_s41467-021-23467-4
    DOI: 10.1038/s41467-021-23467-4
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