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V: Non-Ergodic Quantum Dynamics

ORAL · CCC04 · ID: 1095386

Presentations

  • Dephasing and Decorrelation of Spins in a Disordered Environment

    ORAL

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

    ORAL

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    Publication: [1] A. Das 2010 Phys. Rev. B vol. 82, pp. 172402.<br>[2] A. Roy and A. Das 2015 Phys. Rev. B vol. 91, pp. 121106.<br>[3] T. Mori 2019 J. Phys. A: Math. Theor. 52 pp. 054001.<br>[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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  • Extracting Quantum Many-body Scarred Eigenstates with Matrix Product States

    ORAL

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    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.<br>[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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  • Localization enhancement in gain-loss non-Hermitian disordered models.

    ORAL

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    Publication: [1] N. Hatano, D. R. Nelson, "Localization Transitions in Non-Hermitian Quantum Mechanics", PRL 77, 570 (1996).<br>[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).<br>[3] N. Rosenzweig and C. E. Porter, "Repulsion of energy levels" in complex atomic spectra," Phys. Rev. B 120, 1698 (1960).<br>[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).<br>[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).<br>[6] G. De Tomasi, I. M. K. "Non-Hermitian resonance counting in gain-loss power law random banded matrices", in preparation.<br>[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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