Precision Many-Body Physics V:Techniques in Precision Many-body Physics

Presentations

• Dependence of quantum Monte Carlo fixed-node errors on electron density: electron correlation energies of closed-shell noble gas atoms up to Og

  ORAL · Invited

  March 21, 2025, 11:00 AM – March 21, 2025, 11:36 AM

  Publication: L. Mitas, arXiv:2406.11083

  Presenters

  • Lubos Mitas

    North Carolina State University

  Authors

  • Lubos Mitas

    North Carolina State University

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• Non-Markovian Open Quantum Systems Dynamics with Tree Tensor Network Methods

  ORAL

  March 21, 2025, 11:36 AM – March 21, 2025, 11:48 AM

  Presenters

  • Lachlan P Lindoy

    National Physical Laboratory (NPL)

  Authors

  • Lachlan P Lindoy

    National Physical Laboratory (NPL)

  • Daniel Rodrigo-Albert

    National Physical Laboratory

  • Yannic Rath

    National Physical Laboratory

  • Ivan Rungger

    National Physical Laboratory (NPL), National Physical Laboratory

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• Generating Low-Dimensional and Scale-Invariant Ansatzes for Interacting Quantum Many-Body States

  ORAL

  March 21, 2025, 11:48 AM – March 21, 2025, 12:00 PM

  Presenters

  • Matt Lourens

    Stellenbosch University

  Authors

  • Matt Lourens

    Stellenbosch University

  • Ilya Sinayskiy

    University of KwaZulu-Natal

  • Johannes Kriel

    Stellenbosch University

  • Francesco Petruccione

    University of KwaZulu-Natal

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• Spectral decomposition and high-accuracy Greens functions: Overcoming the Nyquist-Shannon limit via complex-time Krylov expansion

  ORAL

  March 21, 2025, 12:00 PM – March 21, 2025, 12:12 PM

  Presenters

  • Sebastian Paeckel

    Ludwig-Maximilians-Universitaet (LMU-Munich)

  Authors

  • Sebastian Paeckel

    Ludwig-Maximilians-Universitaet (LMU-Munich)

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• Abstract Withdrawn

  ORAL Withdrawn

  March 21, 2025, 12:12 PM – March 21, 2025, 12:24 PM

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• Two-particle calculations with quantics tensor trains - solving the parquet equations

  ORAL

  March 21, 2025, 12:24 PM – March 21, 2025, 12:36 PM

  Publication: S. Rohshap, et al., arXiv:2410.22975 (2024), Two-particle calculations with quantics tensor trains - solving the parquet equations

  Presenters

  • Stefan Rohshap

    TU Wien

  Authors

  • Stefan Rohshap

    TU Wien

  • Marc K Ritter

    Ludwig-Maximilians-Universitaet (LMU-Munich)

  • Hiroshi Shinaoka

    Saitama University

  • Jan Von Delft

    Ludwig-Maximilians-Universitaet (LMU-Munich)

  • Markus Wallerberger

    Vienna Univ of Technology

  • Anna Kauch

    Vienna Univ of Technology

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• Invariant Hamiltonian Bootstrap for Quantum Many-body Ground States

  ORAL

  March 21, 2025, 12:36 PM – March 21, 2025, 12:48 PM

  Publication: arXiv:2410.00810

  Presenters

  • Michael G Scheer

    Princeton University

  Authors

  • Michael G Scheer

    Princeton University

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• Exact projected entangled pair ground states with topological Euler invariant

  ORAL

  March 21, 2025, 12:48 PM – March 21, 2025, 1:00 PM

  Publication: TB Wahl, WJ Jankowski, A Bouhon, G Chaudhary, RJ Slager, arXiv preprint arXiv:2407.12902

  Presenters

  • Robert-Jan Slager

    University of Manchester and Cambridge, University of Cambridge, Univ of Cambridge

  Authors

  • Robert-Jan Slager

    University of Manchester and Cambridge, University of Cambridge, Univ of Cambridge

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• Variational MPO compression for optimizing 2-D isometric tensor networks.

  ORAL

  March 21, 2025, 1:00 PM – March 21, 2025, 1:12 PM

  Presenters

  • Gabriel Woolls

    University of California, Berkeley

  Authors

  • Gabriel Woolls

    University of California, Berkeley

  • Zhehao Dai

    University of Pittsburgh

  • Sheng-Hsuan Lin

    TU Munich

  • Yantao Wu

    University of California, Berkeley, Chinese Academy of Sciences, Chinese Academy of Science

  • Michael P Zaletel

    University of California, Berkeley

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• Unusual energy spectra of matrix product states

  ORAL

  March 21, 2025, 1:12 PM – March 21, 2025, 1:24 PM

  Publication: arXiv:2408.13616

  Presenters

  • Joseph Maxwell Silvester

    University of California, Irvine

  Authors

  • Joseph Maxwell Silvester

    University of California, Irvine

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• Monte Carlo Simulations of Many-Body Quantum Systems with Global Constraints

  ORAL

  March 21, 2025, 1:24 PM – March 21, 2025, 1:36 PM

  Presenters

  • Vijay B Shenoy

    Indian Institute of Science Bangalore

  Authors

  • Vijay B Shenoy

    Indian Institute of Science Bangalore

  • Kshitij V Sharma

    Indian Institute Science

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• Non-Markovian Ensemble Propagation

  ORAL

  March 21, 2025, 1:36 PM – March 21, 2025, 1:48 PM

  Publication: https://doi.org/10.48550/arXiv.2410.12301

  Presenters

  • Miralem Sinanovic

    University des Saarlandes

  Authors

  • Miralem Sinanovic

    University des Saarlandes

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