Microscopic studies of doped cold-atom Fermi-Hubbard antiferromagnets

POSTER

Abstract

Ultracold fermions in optical lattices offers new perspectives for studying the physics of strongly correlated materials. We use this experimental platform to implement the Fermi-Hubbard model, a paradigmatic model thought to capture the physics of high-temperature superconductivity, the pseudogap, and other phenomena containing longstanding open questions. The additional tool of quantum gas microscopy enables site-resolved readout and access to projections of the many-body wavefunction in the Fock basis. We report on our most recent studies of doped antiferromagnets in 2D, where there is no universally agreed-upon mechanism describing the interplay between hole motion and antiferromagnetic order.

Authors

  • Geoffrey Ji

    • Harvard University

  • Christie Chiu

    • Harvard University

  • Annabelle Bohrdt

    • Technical University of Munich and Harvard University

  • Muqing Xu

    • Harvard University

  • Justus Brüggenjürgen

    • Harvard University and University of Hamburg

  • Michael Knap

    • Technical University of Munich

  • Eugene Demler

    • Harvard University

  • Fabian Grusdt

    • Harvard University

  • Daniel Greif

    • Harvard University

  • Markus Greiner

    • Harvard University