Precision Many-Body Physics III: Modeling and Real Materials

Presentations

• Variational wave functions for spin models with phonons and anisotropic-exchange couplings

  ORAL · Invited

  March 15, 2022, 11:30 AM – March 15, 2022, 12:06 PM

  Publication: Y. Iqbal, F. Ferrari, A. Chauhan, A. Parola, D. Poilblanc, and F. Becca, Phys. Rev. B 104, 144406 (2021)
  F. Ferrari, R. Valentí, and F. Becca, Phys. Rev. B 104, 035126 (2021)
  F. Ferrari, R. Valentí, and F. Becca, unpublished.

  Presenters

  • Federico Becca

    • Univ of Trieste - Trieste

  Authors

  • Federico Becca

    • Univ of Trieste - Trieste

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• Nevanlinna Analytical Continuation

  ORAL

  March 15, 2022, 12:06 PM – March 15, 2022, 12:18 PM

  Publication: Phys. Rev. Lett. 126, 056402 (2021)
  Phys. Rev. B 104, 165111 (2021)

  Presenters

  • Emanuel C Gull

    • University of Michigan

  Authors

  • Emanuel C Gull

    • University of Michigan

  • Jiani Fei

    • University of Michigan and Stanford University

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• Phase transitions in partial summation methods: Results from the 3D Hubbard model

  ORAL

  March 15, 2022, 12:18 PM – March 15, 2022, 12:30 PM

  Publication: preprint: https://arxiv.org/abs/2110.06857

  Presenters

  • Sergei Iskakov

    • University of Michigan

  Authors

  • Sergei Iskakov

    • University of Michigan

  • Emanuel C Gull

    • University of Michigan

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• Benchmarking the TPSC+ Approach to the Two-Dimensional Hubbard Model

  ORAL

  March 15, 2022, 12:30 PM – March 15, 2022, 12:42 PM

  Presenters

  • Camille Lahaie

    • Universite de Sherbrooke

  Authors

  • Camille Lahaie

    • Universite de Sherbrooke

  • Chloé Gauvin-Ndiaye

    • Université de Sherbrooke, RQMP & Institut quantique
    • Universite de Sherbrooke
    • Université de Sherbrooke

  • A.-M. S Tremblay

    • Universite de Sherbrooke, RQMP and Institut quantique
    • Universite de Sherbrooke
    • Université de Sherbrooke, RQMP & Institut quantique

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• Benchmark of the TPSC+DMFT approach for the Hubbard model

  ORAL

  March 15, 2022, 12:42 PM – March 15, 2022, 12:54 PM

  Presenters

  • Nicolas B Martin

    • Université de Sherbrooke, RQMP & Institut quantique

  Authors

  • Nicolas B Martin

    • Université de Sherbrooke, RQMP & Institut quantique

  • Chloé Gauvin-Ndiaye

    • Université de Sherbrooke, RQMP & Institut quantique
    • Universite de Sherbrooke
    • Université de Sherbrooke

  • A.-M. S Tremblay

    • Universite de Sherbrooke, RQMP and Institut quantique
    • Universite de Sherbrooke
    • Université de Sherbrooke, RQMP & Institut quantique

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• Diagrammatic quantum Monte Carlo study of an acoustic lattice polaron

  ORAL

  March 15, 2022, 12:54 PM – March 15, 2022, 1:06 PM

  Publication: Phys. Rev. B 104, L161111 (2021)
  arXiv:2104.13344 [cond-mat.str-el]

  Presenters

  • Thomas Hahn

    • Univ of Vienna

  Authors

  • Thomas Hahn

    • Univ of Vienna

  • Cesare Franchini

    • University of Vienna
    • Univ of Vienna
    • Univ of Vienna, Univ of Bologna
    • Universita' di Bologna & University of Vienna
    • University of Vienna, A-1090 Vienna, Austria, Alma Mater Studiorum–Università di Bologna, Bologna, 40127, Italy

  • Naoto Nagaosa

    • The University of Tokyo
    • Univ of Tokyo, RIKEN

  • Andrey Mishchenko

    • RIKEN

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• Optical Conductivity of the Two Dimensional Hubbard Model: Exact Perturbative vs Dynamical Mean Field Results

  ORAL

  March 15, 2022, 1:06 PM – March 15, 2022, 1:18 PM

  Presenters

  • Anqi Mu

    • Columbia University

  Authors

  • Anqi Mu

    • Columbia University

  • Zhiyuan Sun

    • Columbia Univ
    • Harvard University
    • Columbia University

  • Andrew J Millis

    • Columbia University
    • Columbia University; Flatiron Institute
    • Columbia University, Flatiron Institute

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• Real-frequency responses at finite temperature: Electron gas

  ORAL

  March 15, 2022, 1:18 PM – March 15, 2022, 1:30 PM

  Publication: I. S. Tupitsyn, A. M. Tsvelik, R. M. Konik, and N. V. Prokof'ev, Phys. Rev. Lett. 127, 026403 (2021).

  Presenters

  • Igor Tupitsyn

    • University of Massachusetts Amherst

  Authors

  • Igor Tupitsyn

    • University of Massachusetts Amherst

  • Alexei M Tsvelik

    • Brookhaven National Laboratory

  • Robert M Konik

    • Brookhaven National Laboratory

  • Nikolay V Prokofiev

    • U. Massachusetts
    • University of Massachusetts Amherst

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• On the closedness and geometry of tensor network state sets

  ORAL

  March 15, 2022, 1:30 PM – March 15, 2022, 1:42 PM

  Publication: arXiv:2108.00031

  Presenters

  • Thomas Barthel

    • Duke University

  Authors

  • Thomas Barthel

    • Duke University

  • Jianfeng Lu

    • Duke University

  • Gero Friesecke

    • TU Munich

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• Properties of the isothermal compressibility in the 2D t-J model

  ORAL

  March 15, 2022, 1:42 PM – March 15, 2022, 1:54 PM

  Presenters

  • William O Putikka

    • Ohio State University

  Authors

  • William O Putikka

    • Ohio State University

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• A hydrogenic chain in a non-orthogonal basis: Beyond the Hubbard model

  ORAL

  March 15, 2022, 1:54 PM – March 15, 2022, 2:06 PM

  Presenters

  • Samuel J Milner

    • Northeastern University

  Authors

  • Samuel J Milner

    • Northeastern University

  • Philip Weinberg

    • Northeastern University

  • Adrian E Feiguin

    • Northeastern University

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• 1D-to-3D crossover on multileg attractive-U Hubbard ladders

  ORAL

  March 15, 2022, 2:06 PM – March 15, 2022, 2:18 PM

  Presenters

  • Ian Pilé

    • HSE University

  Authors

  • Ian Pilé

    • HSE University

  • Anastasia Potapova

    • HSE University

  • Evgeni Burovski

    • HSE University
    • National Research University Higher School of Economics

  View abstract →