Quantum Embedding Methods: Methods

Presentations

• Dynamical Downfolding and Construction of Effective Hamiltonians for Correlated Systems

  ORAL

  March 4, 2024, 8:00 AM – March 4, 2024, 8:12 AM

  Presenters

  • Annabelle L Canestraight

    • University of California, Santa Barbara

  Authors

  • Annabelle L Canestraight

    • University of California, Santa Barbara

  • Vojtech Vlcek

    • University of California, Santa Barbara

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• Determinantal quantum Monte Carlo solver for cluster perturbation theory

  ORAL

  March 4, 2024, 8:12 AM – March 4, 2024, 8:24 AM

  Publication: E. W. Huang, S. Ding, J. Liu, Y. Wang, Phys. Rev. Research 4, L042015 (2022)

  Presenters

  • Edwin W Huang

    • University of Notre Dame

  Authors

  • Edwin W Huang

    • University of Notre Dame

  • Shuhan Ding

    • Massachusetts Institute of Technology

  • Jiarui Liu

    • Clemson University

  • Yao Wang

    • Emory University
    • Department of Chemistry, Emory University, Atlanta, GA, 30322, USA
    • Clemson University

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• Low-energy effective model for H₄ square molecule derived from ab initio calculations

  ORAL

  March 4, 2024, 8:24 AM – March 4, 2024, 8:36 AM

  Presenters

  • Sonali Joshi

    • University of Illinois at Urbana-Champaign

  Authors

  • Sonali Joshi

    • University of Illinois at Urbana-Champaign

  • Lucas K Wagner

    • University of Illinois at Urbana-Champaign

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• Equilibrium Quantum Impurity Problems via Matrix Product State Encoding of the Retarded Action

  ORAL

  March 4, 2024, 8:36 AM – March 4, 2024, 8:48 AM

  Publication: https://arxiv.org/abs/2306.17216

  Presenters

  • Benedikt Kloss

    • Flatiron Institute, Simons Foundation

  Authors

  • Benedikt Kloss

    • Flatiron Institute, Simons Foundation

  • Julian Thoenniss

    • University of Geneva

  • Michael Sonner

    • Univ of Geneva

  • Alessio Lerose

    • Univ of Geneva

  • Matthew Fishman

    • Simons Foundation
    • Flatiron Institute, Simons Foundation

  • Miles Stoudenmire

    • Flatiron Institute
    • Flatiron Institute, Simons Foundation

  • Olivier P Parcollet

    • Flatiron Institute, Simons Foundation

  • Antoine Georges

    • College de France

  • Dmitry A Abanin

    • University of Geneva

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• A route to systematically improveable effective Hamiltonians in condensed matter

  ORAL · Invited

  March 4, 2024, 8:48 AM – March 4, 2024, 9:24 AM

  Presenters

  • Lucas K Wagner

    • University of Illinois at Urbana-Champaign

  Authors

  • Lucas K Wagner

    • University of Illinois at Urbana-Champaign

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• Derivation of the Ghost Gutzwiller Approximation from Quantum Embedding principles: the Ghost Density Matrix Embedding Theory

  ORAL

  March 4, 2024, 9:24 AM – March 4, 2024, 9:36 AM

  Publication: Nicola Lanatà, "Derivation of the Ghost Gutzwiller Approximation from Quantum Embedding principles: the Ghost Density Matrix Embedding Theory", arXiv:2305.11895 (2023).

  Presenters

  • Nicola Lanata

    • Rochester Institute of Technology

  Authors

  • Nicola Lanata

    • Rochester Institute of Technology

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• Capturing Long-Range Electron Correlation in Ab Initio Green's Function Embedding

  ORAL

  March 4, 2024, 9:36 AM – March 4, 2024, 9:48 AM

  Presenters

  • Jiachen Li

    • Yale University

  Authors

  • Jiachen Li

    • Yale University

  • Tianyu Zhu

    • Yale University

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• Ab-initio downfolding to interacting model Hamiltonians: comprehensive analysis and benchmarking

  ORAL

  March 4, 2024, 9:48 AM – March 4, 2024, 10:00 AM

  Presenters

  • Malte Roesner

    • Institute for Molecules and Materials, Radboud University, 6525 AJ Nijmegen, the Netherlands
    • Radboud University

  Authors

  • Yueqing Chang

    • Rutgers, The State University of New Jersey

  • Erik van Loon

    • Lund Univ/Lund Inst of Tech

  • Kyle Eskridge

    • Simons Foundation

  • Miguel A Morales

    • Simons Foundation

  • Cyrus E Dreyer

    • Stony Brook University (SUNY)

  • Andrew Millis

    • Columbia University

  • Shiwei Zhang

    • Simons Foundation

  • Tim Wehling

    • University of Hamburg
    • University Hamburg
    • Institute of Theoretical Physics, University of Hamburg, 22607 Hamburg, Germany
    • Universität Hamburg

  • Lucas K Wagner

    • University of Illinois at Urbana-Champaign

  • Malte Roesner

    • Institute for Molecules and Materials, Radboud University, 6525 AJ Nijmegen, the Netherlands
    • Radboud University

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• Inchworm quasi Monte Carlo for quantum impurities

  ORAL

  March 4, 2024, 10:00 AM – March 4, 2024, 10:12 AM

  Publication: Planned submission to Phys. Rev. Lett. during the fall 2023.

  Presenters

  • Hugo U Strand

    • Örebro University
    • School of Science and Technology, Örebro University

  Authors

  • Hugo U Strand

    • Örebro University
    • School of Science and Technology, Örebro University

  • Joseph Kleinheinz

    • University of California

  • Igor S Krivenko

    • Universität Hamburg

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• Low-scaling algorithms for many-body electronic structure and downfolding for quantum embedding

  ORAL

  March 4, 2024, 10:12 AM – March 4, 2024, 10:24 AM

  Publication: 1. Chia-Nan Yeh, and Miguel Morales, Low-Scaling Algorithm for the Random Phase Approximation Using Tensor Hypercontraction with k-point Sampling, J. Chem. Theory Comput. 2023, 19, 18, 6197–6207
  2. Chia-Nan Yeh, and Miguel Morales, Low-Scaling algorithm for GW approximation and constrained random phase approximation using symmetry-adapted tensor hypercontraction with k-point sampling, in preparation

  Presenters

  • Chia-Nan Yeh

    • Center for Computational Quantum Physics, Flatiron Institute

  Authors

  • Chia-Nan Yeh

    • Center for Computational Quantum Physics, Flatiron Institute

  • Miguel A Morales

    • Simons Foundation

  View abstract →