Quantum Many-Body Systems and Methods I

Presentations

• A Single Twist Angle Selection Method for Bilayer Materials

  Oral-In-person

  March 16, 2026, 8:00 AM – March 16, 2026, 8:12 AM

  Presenters

  • Ryan Baker

    • Michigan State University

  Authors

  • Ryan Baker

    • Michigan State University

  • William Van Benschoten

    • University of Iowa

  • James Shepherd

    • Michigan State University

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• Auxiliary-Field Patterns, Random Matrices Theory, and Topology in Determinant Quantum Monte Carlo Simulation

  Oral-In-person

  March 16, 2026, 8:12 AM – March 16, 2026, 8:24 AM

  Presenters

  • Wen Chen

    • University of Houston

  Authors

  • Wen Chen

    • University of Houston

  • Rubem Mondaini

    • University of Houston

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• Mott transition from the non-analyticity of the one-body reduced density-matrix functional

  Oral-In-person

  March 16, 2026, 8:24 AM – March 16, 2026, 8:36 AM

  Presenters

  • Zhengqian Cheng

    • Columbia University

  Authors

  • Zhengqian Cheng

    • Columbia University

  • Chris Marianetti

    • Columbia University

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• Efficient Time Evolution of 2D Open-Quantum Lattice Models with Long-Range Interactions using Tensor Networks

  Oral-In-person

  March 16, 2026, 8:36 AM – March 16, 2026, 8:48 AM

  Publication: J. Dunham, M. H. Szymańska (in preparation)

  Presenters

  • Jack Dunham

    • Flatiron Institute

  Authors

  • Jack Dunham

    • Flatiron Institute

  • Marzena Szymanska

    • University College London

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• Universal Generation of Maximal Entanglement from Bell Measurements of Fermionic Gaussian States

  Oral-In-person

  March 16, 2026, 8:48 AM – March 16, 2026, 9:00 AM

  Presenters

  • Jiyuan Fang

    • Georgia Institute of Technology

  Authors

  • Jiyuan Fang

    • Georgia Institute of Technology

  • Jiyuan Fang

  • Qicheng Tang

    • Georgia Institute of Technology

  • Xueda Wen

    • Georgia Institute of Physics

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• Branch-and-Bound Tensor Network for Combinatorial Optimization

  Oral-In-person

  March 16, 2026, 9:00 AM – March 16, 2026, 9:12 AM

  Presenters

  • Xuanzhao Gao

    • Flatiron Institute

  Authors

  • Xuanzhao Gao

    • Flatiron Institute

  • Yijia Wang

    • The University of Chinese Academy of Sciences (UCAS)

  • JinGuo Liu

    • Institute of Physics

  • Feng Pan

    • Natl Univ of Singapore

  • Zhang Pan

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• Defect Fusion in Higher-Dimensional Systems with Non-Invertible Symmetries

  Oral-In-person

  March 16, 2026, 9:12 AM – March 16, 2026, 9:24 AM

  Publication: C. Giridhar, P. Vojta, Z. Nussinov, G. Ortiz, and A. H. Nevidomskyy, Algebraic fusion in a (2+1)D lattice model with generalized symmetries, (in preparation)

  Presenters

  • Chinmay Giridhar

    • Rice University

  Authors

  • Chinmay Giridhar

    • Rice University

  • Philipp Vojta

    • Washington University, St. Louis

  • Zohar Nussinov

  • Gerardo Ortiz

    • Indiana University Bloomington

  • Andriy Nevidomskyy

    • Rice University

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• Thermal State of Kitaev Model with Isometric Tensor Networks

  Oral-In-person

  March 16, 2026, 9:24 AM – March 16, 2026, 9:36 AM

  Presenters

  • Ayush Gopal

    • University of California, Berkeley

  Authors

  • Ayush Gopal

    • University of California, Berkeley

  • Shahin Jahanbani

    • University of California, Berkeley

  • Michael Zaletel

    • University of California, Berkeley

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• Quantifying Strong Correlation with AFQMC

  Oral-In-person

  March 16, 2026, 9:36 AM – March 16, 2026, 9:48 AM

  Presenters

  • Saisrinivas Gudivada

    • Rice University

  Authors

  • Saisrinivas Gudivada

    • Rice University

  • Brad Ganoe

  • James Shee

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• Efficient Neural Network Backflow Transformation for the Two-Dimensional Hubbard Model

  Oral-In-person

  March 16, 2026, 9:48 AM – March 16, 2026, 10:00 AM

  Presenters

  • Tianshu Huang

    • Yale University

  Authors

  • Tianshu Huang

    • Yale University

  • Vidvuds Ozolins

    • Yale University

  • Xiaowei Ou

    • Yale University

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• Entanglement Entropy of Two-Dimensional Quantum States with Isometric Tensor Networks

  Oral-In-person

  March 16, 2026, 10:00 AM – March 16, 2026, 10:12 AM

  Presenters

  • Shahin Jahanbani

    • University of California, Berkeley

  Authors

  • Shahin Jahanbani

    • University of California, Berkeley

  • Sajant Anand

    • Harvard University

  • Michael Zaletel

    • University of California, Berkeley

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• Systematic Semistochastic Heat-Bath Configuration Interaction (SHCI) Benchmarks for Catalytically Relevant Strongly Correlated Systems

  Oral-In-person

  March 16, 2026, 10:12 AM – March 16, 2026, 10:24 AM

  Presenters

  • Haejung Koh

    • University of Wisconsin-Madison

  Authors

  • Haejung Koh

    • University of Wisconsin-Madison

  • Katerina Gratsea

  • Hao Zhang

    • University of Wisconsin–Madison

  • Matthew Otten

    • University of Wisconsin - Madison

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• FFT-Accelerated Auxiliary Variable MCMC for Fermionic Lattice Models: A Determinant-Free Approach with O(N logN) Complexity

  Oral-In-person

  March 16, 2026, 10:24 AM – March 16, 2026, 10:36 AM

  Publication: Kong, D., Feng, S., Xie, J., & Wu, Y.-N. (2025). FFT-Accelerated Auxiliary Variable MCMC for Fermionic Lattice Models: A Determinant-Free Approach with O(N log N) Complexity. arXiv preprint arXiv:2510.13866.

  Presenters

  • Deqian Kong

    • University of California, Los Angeles

  Authors

  • Deqian Kong

    • University of California, Los Angeles

  • Shi Feng

    • Technical University of Munich

  • Jianwen Xie

  • Ying Nian Wu

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• Sine–Gordon model at finite temperature: the method of random surfaces

  Oral-In-person

  March 16, 2026, 10:36 AM – March 16, 2026, 10:48 AM

  Publication: M. Tóth, J. H. Pixley, D. Szász-Schagrin, G. Takács, M. Kormos, Phys. Rev. B 111, 155112 (2025)

  Presenters

  • Marton Kormos

    • Budapest University of Technology and Economics

  Authors

  • Miklos Toth

  • Jedediah Pixley

    • Rutgers University

  • David Szasz-Schagrin

  • Gábor Takács

  • Marton Kormos

    • Budapest University of Technology and Economics

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