DC Hall measurements in the strongly correlated Hubbard model

ORAL

Abstract

We investigate the DC Hall conductivity, an indicator of charge carrier properties, of the single-band Hubbard model in the zero field limit[1] using determinant quantum Monte Carlo (DQMC). Utilizing an effective expansion to lowest order, we observe a change of sign in the Hall coefficient as a function of temperature and interaction strength, which may signal a change in the topology of the Fermi surface. We relate the Hall coefficient to the frequency dependent resistivity, also obtained from DQMC following analytic continuation, to reveal the properties of charge carriers within the strange metal phase of the Hubbard model.

[1] Auerbach, Assa. "Hall number of strongly correlated metals." Physical review letters 121.6 (2018): 066601.

*This work was supported by the U.S. Department of Energy (DOE), Office of Science, Office of Basic Energy Sciences, Division of Materials Sciences and Engineering, under Contract No. DE-AC02-76SF00515.

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Presenters

  • Wen Wang

    • Stanford University

Authors

  • Wen Wang

    • Stanford University

  • Jixun Ding

    • Stanford University

  • Brian Moritz

    • SLAC National Accelerator Laboratory and Stanford University, SSRL Materials Science Division
    • SLAC National Accelerator Laboratory
    • SLAC
    • Stanford University
    • SIMES, SLAC
    • Stanford Institute for Materials and Energy Sciences, SLAC National Accelerator Laboratory, Menlo Park, CA 94025, USA

  • Edwin Huang

    • University of Illinois at Urbana-Champaign
    • SLAC National Accelerator Laboratory

  • Thomas Devereaux

    • Stanford Univ
    • Materials Science and Engineering, Stanford University
    • Stanford University
    • SLAC National Accelerator Laboratory
    • Photon Sciences, Stanford Linear Accelerator (SLAC)
    • SIMES, SLAC
    • Stanford Institute for Materials and Energy Sciences, SLAC National Accelerator Laboratory, Menlo Park, CA 94025, USA
    • SLAC National Accelerator Lab.