The Quantum Monte Carlo Sign Problem: Recent Advances and Paths Forward

Presentations

• Quantum critical points and the sign problem

  ORAL · Invited

  March 17, 2025, 8:00 AM – March 17, 2025, 8:36 AM

  Publication: [1] Rubem Mondaini, Sabyasachi Tarat, Richard T. Scalettar, "Quantum critical points and the sign problem," Science 375, 418 (2022)
  [2] Yingping Mou, Rubem Mondaini, Richard T. Scalettar, "The bilayer Hubbard model: analysis based on the fermionic sign problem," Phys. Rev. B 106, 125116 (2022)
  [3] Rubem Mondaini, Sabyasachi Tarat, Richard T. Scalettar, "Universality and Critical Exponents of the Fermion Sign Problem," Phys Rev B 107, 245144 (2023)
  [4] Tian-Cheng Yi, Song Cheng, Ian Pilé, Evgeni Burovski, Rubem Mondaini, "Two-dimensional polarized superfluids through the prism of the fermion sign problem," Phys. Rev. B 110, 085131 (2024)

  Presenters

  • Rubem Mondaini

    • University of Houston

  Authors

  • Rubem Mondaini

    • University of Houston

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• Spin Transitions in Single Atom Catalyst (Fe-N-C) by Quantum Monte Carlo Method

  ORAL

  March 17, 2025, 8:36 AM – March 17, 2025, 8:48 AM

  Presenters

  • Roman Fanta

    • SLAC National Accelerator Laboratory

  Authors

  • Roman Fanta

    • SLAC National Accelerator Laboratory

  • Michal Bajdich

    • SLAC National Accelerator Laboratory

  • Anouar Benali

    • Argonne National Laboratory

  • Kevin Gasperich

    • Argonne National Laboratory

  View abstract →

• Self-Healing Diffusion Monte Carlo Correction of Sign Errors in Periodic Solids

  ORAL

  March 17, 2025, 8:48 AM – March 17, 2025, 9:00 AM

  Presenters

  • Nicole Spanedda

    • Oak Ridge National Laboratory

  Authors

  • Nicole Spanedda

    • Oak Ridge National Laboratory

  • Fernando A Reboredo

    • Oak Ridge National Laboratory

  • Jaron T Krogel

    • Oak Ridge National Laboratory

  • Anouar Benali

    • Argonne National Laboratory

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• A Proof of Ceperley's Conjecture on the Nodal Maximality of Ground States

  ORAL

  March 17, 2025, 9:00 AM – March 17, 2025, 9:12 AM

  Presenters

  • David H. Wei

    • Quantica Computing, LLC

  Authors

  • David H. Wei

    • Quantica Computing, LLC

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• Pfaffian quantum Monte Carlo: solution to Majorana sign ambiguity and applications

  ORAL

  March 17, 2025, 9:12 AM – March 17, 2025, 9:24 AM

  Publication: https://doi.org/10.48550/arXiv.2408.10311

  Presenters

  • Zeyao Han

    • Tsinghua University

  Authors

  • Zeyao Han

    • Tsinghua University

  • Zhou-Quan Wan

    • Center for Computational Quantum Physics, Flatiron Institute; Tsinghua University

  • Hong Yao

    • Tsinghua University

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• Curing the sign problem from a computational complexity perspective

  ORAL · Invited

  March 17, 2025, 9:24 AM – March 17, 2025, 10:00 AM

  Presenters

  • Milad Marvian

    • University of New Mexico

  Authors

  • Milad Marvian

    • University of New Mexico

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• Oral: Mitigating the QMC sign problem via local transformations

  ORAL

  March 17, 2025, 10:00 AM – March 17, 2025, 10:12 AM

  Publication: 1 - Determining quantum Monte Carlo simulability with geometric phases , Itay Hen , 2021 , 10.1103/physrevresearch.3.023080
  2- Logical Clifford Synthesis for Stabilizer Codes , Narayanan Rengaswamy et al. , 2020 , 10.1109/tqe.2020.3023419

  Presenters

  • Arman Babakhani

    • University of Southern California

  Authors

  • Arman Babakhani

    • University of Southern California

  • Itay Hen

    • University of Southern California

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• Sign problem in tensor network contraction

  ORAL

  March 17, 2025, 10:12 AM – March 17, 2025, 10:24 AM

  Publication: https://arxiv.org/abs/2404.19023, https://arxiv.org/abs/2410.05414

  Presenters

  • Jielun Chen

    • Caltech

  Authors

  • Jielun Chen

    • Caltech

  • Jiaqing Jiang

    • Caltech

  • Dominik Hangleiter

    • University of California, Berkeley
    • University of Maryland College Park

  • Norbert Schuch

    • Univ of Vienna
    • University of Vienna

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• Correlated Cluster Algorithm: Quantum Monte Carlo for Lattice Gauge Theory

  ORAL

  March 17, 2025, 10:24 AM – March 17, 2025, 10:36 AM

  Publication: J. Pinto Barros, T. Budde, M. Kristc Marinkovic, Meron-Cluster Algorithms for Quantum Link Models, PoS LATTICE2023 (2024) 024
  T. Budde, M. Kristc Marinkovic, J. Pinto Barros, Simulating (1+1)d Abelian Gauge Theories with Cluster Algorithms, to be published in PoS LATTICE2024
  T. Budde, M. Kristc Marinkovic, J. Pinto Barros, Continuum Limits from Finite Hilbert Spaces Using Cluster Algorithms, arxiv:2411.xxxxx

  Presenters

  • Thea Budde

    • ETH Zürich

  Authors

  • Thea Budde

    • ETH Zürich

  • Joao C Pinto Barros

    • ETH Zurich
    • ETH Zürich

  • Marina Krstic Marinkovic

    • ETH Zurich
    • ETH Zürich

  View abstract →

• Multi-Flavor Particle Physics with Quantum Monte Carlo

  ORAL

  March 17, 2025, 10:36 AM – March 17, 2025, 10:48 AM

  Publication: J. Pinto Barros, T. Budde, M. Kristc Marinkovic, Meron-Cluster Algorithms for Quantum Link Models, PoS LATTICE2023 (2024) 024
  T. Budde, M. Kristc Marinkovic, J. Pinto Barros, Simulating (1+1)d Abelian Gauge Theories with Cluster Algorithms, to be published in PoS LATTICE2024
  T. Budde, M. Kristc Marinkovic, J. Pinto Barros, Continuum Limits from Finite Hilbert Spaces Using Cluster Algorithms, arxiv:2411.xxxxx

  Presenters

  • Joao C Pinto Barros

    • ETH Zurich
    • ETH Zürich

  Authors

  • Joao C Pinto Barros

    • ETH Zurich
    • ETH Zürich

  • Thea Budde

    • ETH Zürich

  • Marina Krstic Marinkovic

    • ETH Zurich
    • ETH Zürich

  View abstract →