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, 12:30 PM – March 15, 2022, 1:06 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  F. Ferrari, R. Valentí, and F. Becca, unpublished.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, 1:06 PM – March 15, 2022, 1:18 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, 1:18 PM – March 15, 2022, 1:30 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, 1:30 PM – March 15, 2022, 1:42 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, 1:42 PM – March 15, 2022, 1:54 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, 1:54 PM – March 15, 2022, 2:06 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, 2:06 PM – March 15, 2022, 2:18 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, 2:18 PM – March 15, 2022, 2:30 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, 2:30 PM – March 15, 2022, 2:42 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, 2:42 PM – March 15, 2022, 2:54 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, 2:54 PM – March 15, 2022, 3:06 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, 3:06 PM – March 15, 2022, 3:18 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 →