V: Non-Ergodic Quantum Dynamics

Presentations

• Many-body scar states in spin-1/2 fermionic lattice models.

  ORAL

  March 22, 2023, 6:00 PM – March 22, 2023, 6:12 PM

  Publication: https://doi.org/10.1103/PhysRevResearch.3.043156

  Presenters

  • Kiryl Pakrouski

    ETH Zurich

  Authors

  • Kiryl Pakrouski

    ETH Zurich

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• Dephasing and Decorrelation of Spins in a Disordered Environment

  ORAL

  March 22, 2023, 6:12 PM – March 22, 2023, 6:24 PM

  Publication: Shreyas Raman and Subroto Mukerjee, arXiv:2208.13505 (2022)

  Presenters

  • Subroto Mukerjee

    Indian Institute of Science, Bengaluru, Indian Institute of Science

  Authors

  • Subroto Mukerjee

    Indian Institute of Science, Bengaluru, Indian Institute of Science

  • Shreyas Raman

    Indian Institute of Science

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• Integrability and quench dynamics of the spin-1 Central Spin Model

  ORAL

  March 22, 2023, 6:24 PM – March 22, 2023, 6:36 PM

  Presenters

  • Long Hin Tang

    Boston University

  Authors

  • Long Hin Tang

    Boston University

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• Universality of Dynamical Localization in Periodically Driven Spin Systems: From Simple Quantum Magnets to Disordered and Long-Range Models

  ORAL

  March 22, 2023, 6:36 PM – March 22, 2023, 6:48 PM

  Publication: [1] A. Das 2010 Phys. Rev. B vol. 82, pp. 172402.
  [2] A. Roy and A. Das 2015 Phys. Rev. B vol. 91, pp. 121106.
  [3] T. Mori 2019 J. Phys. A: Math. Theor. 52 pp. 054001.
  [4] M. Rahman, A. Roy, and T. Mori 2022 In preparation.

  Presenters

  • Analabha Roy

    The University of Burdwan

  Authors

  • Analabha Roy

    The University of Burdwan

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• Discrete time crystal enabled by Stark many-body localization

  ORAL

  March 22, 2023, 6:48 PM – March 22, 2023, 7:00 PM

  Publication: arXiv preprint arXiv:2208.02866

  Presenters

  • shuo liu

    Tsinghua University

  Authors

  • shuo liu

    Tsinghua University

  • Shixin Zhang

    Tsinghua University

  • Chang-Yu Hsieh

    Univ of Toronto

  • Shengyu Zhang

    Tencent

  • Hong Yao

    Tsinghua University

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• Extracting Quantum Many-body Scarred Eigenstates with Matrix Product States

  ORAL

  March 22, 2023, 7:00 PM – March 22, 2023, 7:12 PM

  Publication: [1] S.-Y. Zhang, D. Yuan, T. Iadecola, S. Xu and D.-L. Deng, "Extracting Quantum Many-body Scarred Eigenstates with Matrix Product States", In preparation.
  [2] D. Yuan, S.-Y. Zhang, Y. Wang, L.-M. Duan, and D.-L. Deng, "Quantum information scrambling in quantum many-body scarred systems," Phys. Rev. Research 4, 023095 (2022).

  Presenters

  • Dong Yuan

    Tsinghua University, Center for Quantum Information, IIIS, Tsinghua University

  Authors

  • Dong Yuan

    Tsinghua University, Center for Quantum Information, IIIS, Tsinghua University

  • Shun-Yao Zhang

    Tsinghua University

  • Thomas Iadecola

    Iowa State University

  • Shenglong Xu

    Texas A&M University

  • Yu Wang

    Harvard University

  • Luming Duan

    Tsinghua University

  • Dong-Ling Deng

    Tsinghua University

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• Defect driven thermalization of magnets with scars and Hilbert space fragmentation

  ORAL

  March 22, 2023, 7:12 PM – March 22, 2023, 7:24 PM

  Presenters

  • Ronald Melendrez

    Florida State University and NHMFL

  Authors

  • Ronald Melendrez

    Florida State University and NHMFL

  • Bhaskar Mukherjee

    University College London

  • Prakash Sharma

    Florida State University & National High Magnetic Field Lab

  • Arijeet Pal

    University College London

  • Hitesh J Changlani

    Florida State University

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• Localization enhancement in gain-loss non-Hermitian disordered models.

  ORAL

  March 22, 2023, 7:24 PM – March 22, 2023, 7:36 PM

  Publication: [1] N. Hatano, D. R. Nelson, "Localization Transitions in Non-Hermitian Quantum Mechanics", PRL 77, 570 (1996).
  [2] G. De Tomasi, I. M. K. "Non-Hermitian Rosenzweig-Porter random-matrix ensemble: Obstruction to the fractal phase", Phys. Rev. B, 106, 094204 (2022).
  [3] N. Rosenzweig and C. E. Porter, "Repulsion of energy levels" in complex atomic spectra," Phys. Rev. B 120, 1698 (1960).
  [4] V. E. Kravtsov, I. M. K., E. Cuevas, and M. Amini, "A random matrix model with localization and ergodic transitions," New J. Phys. 17, 122002 (2015).
  [5] A. D. Mirlin, Y. V. Fyodorov, F.-M. Dittes, J. Quezada, and T. H. Seligman, "Transition from localized to extended eigenstates in the ensemble of power-law random banded matrices," Phys. Rev. E 54, 3221–3230 (1996).
  [6] G. De Tomasi, I. M. K. "Non-Hermitian resonance counting in gain-loss power law random banded matrices", in preparation.
  [7] G. De Tomasi, I. M. K. "Enhancement of many-body localization in non-Hermitian systems", in preparation.

  Presenters

  • Ivan M Khaymovich

    Nordita

  Authors

  • Ivan M Khaymovich

    Nordita

  • Giuseppe De Tomasi

    UIUC

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• Temperature dependence of the non-Hermitian skin effect associated with Kondo crossover

  ORAL

  March 22, 2023, 7:36 PM – March 22, 2023, 7:48 PM

  Presenters

  • Shin Kaneshiro

    Kyoto university

  Authors

  • Shin Kaneshiro

    Kyoto university

  • Robert Peters

    Kyoto University

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• Coupled Semiconductor Bloch Equations for Studying Quantum Plasmas and Optical Responses of Photo-Generated Carriers in a Quantum Wire

  ORAL

  March 22, 2023, 7:48 PM – March 22, 2023, 8:00 PM

  Publication: [1] J. R. Gulley and D. H. Huang, Optics Express 30, 9348 (2022).
  [2] J. R. Gulley and D. H. Huang, Optics Express 27, 17154 (2019).

  Presenters

  • Danhong Huang

    Air Force Research Lab - Kirtland

  Authors

  • Danhong Huang

    Air Force Research Lab - Kirtland

  View abstract →