Mixed-State Quantum Phases and Open System Dynamics

Presentations

• Defining mixed-state phases of matter: What replaces the idea of "gap"?

  Invited-In-person · Invited

  March 16, 2026, 12:00 PM – March 16, 2026, 12:36 PM

  Publication: arXiv:2506.04221

  Presenters

  • Jong Yeon Lee

    • University of Illinois at Urbana-Champaign

  Authors

  • Jong Yeon Lee

    • University of Illinois at Urbana-Champaign

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• Topological Mixed States: Phases of Matter from Axiomatic Approaches

  Oral-In-person

  March 16, 2026, 12:36 PM – March 16, 2026, 12:48 PM

  Publication: T.-H. Yang, B. Shi, and J. Y. Lee, "Topological Mixed States: Phases of Matter from Axiomatic Approaches," arXiv:2506.04221, 2025

  Presenters

  • Tai Hsuan Yang

    • University of Illinois at Urbana-Champaign

  Authors

  • Tai Hsuan Yang

    • University of Illinois at Urbana-Champaign

  • Bowen Shi

  • Jong Yeon Lee

    • University of Illinois at Urbana-Champaign

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• Modular data for mixed-state topological order

  Oral-In-person

  March 16, 2026, 12:48 PM – March 16, 2026, 1:00 PM

  Presenters

  • Zhou Yang

    • Cornell University

  Authors

  • Zhou Yang

    • Cornell University

  • Chao-Ming Jian

    • Cornell University

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• Krylov Complexity and Mixed-State Phase Transition

  Oral-In-person

  March 16, 2026, 1:00 PM – March 16, 2026, 1:12 PM

  Publication: H.-H. Teh and T. Orito, Krylov Complexity and Mixed-State Phase Transition (2025), arXiv:2510.22542

  Presenters

  • Hung-Hsuan Teh

    • Nagoya University / The University of Tokyo

  Authors

  • Hung-Hsuan Teh

    • Nagoya University / The University of Tokyo

  • Takahiro Orito

    • Nihon University - Setagaya

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• Nonnormality-induced spontaneous symmetry breaking in open quantum systems on infinite lattices

  Oral-In-person

  March 16, 2026, 1:12 PM – March 16, 2026, 1:24 PM

  Publication: Kenji Shimomura, Nagisa Hara, Seiichiro Kusuoka, Nonequilibrium steady state in Lindblad dynamics for infinite quantum spin systems, arXiv preprint arXiv:2508.07448

  Presenters

  • Kenji Shimomura

    • Yukawa Institute for Theoretical Physics, Kyoto University

  Authors

  • Kenji Shimomura

    • Yukawa Institute for Theoretical Physics, Kyoto University

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• Strong-to-weak Spontaneous Symmetry Breaking from Decoherence in SPT states

  Oral-In-person

  March 16, 2026, 1:24 PM – March 16, 2026, 1:36 PM

  Presenters

  • Shuangyuan Lu

    • Northeastern University

  Authors

  • Shuangyuan Lu

    • Northeastern University

  • Yizhi You

    • Northeastern University

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• Strong-to-Weak Symmetry Breaking Phases in Steady States of Quantum Operations

  Oral-In-person

  March 16, 2026, 1:36 PM – March 16, 2026, 1:48 PM

  Publication: arXiv:2509.09669

  Presenters

  • Niklas Ziereis

    • Free University Berlin

  Authors

  • Niklas Ziereis

    • Free University Berlin

  • Sanjay Moudgalya

    • TU Munich

  • Michael Knap

    • Tech Univ Muenchen

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• Computational protection in quantum many-body systems

  Invited-In-person · Invited

  March 16, 2026, 1:48 PM – March 16, 2026, 2:24 PM

  Presenters

  • Yu-Jie Liu

    • Massachusetts Institute of Technology

  Authors

  • Yu-Jie Liu

    • Massachusetts Institute of Technology

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• Finite-temperature entanglement transitions from strong non-Abelian symmetry

  Oral-In-person

  March 16, 2026, 2:24 PM – March 16, 2026, 2:36 PM

  Presenters

  • Siqi Mo

    • University of California, Berkeley

  Authors

  • Siqi Mo

    • University of California, Berkeley

  • Ehud Altman

    • University of California, Berkeley

  • Samuel Garratt

    • University of California, Berkeley

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• Nonlinear Quantum Evolution of a Dissipative Superconducting Qubit

  Oral-In-person

  March 16, 2026, 2:36 PM – March 16, 2026, 2:48 PM

  Presenters

  • Orion Lee

    • Washington University, St. Louis

  Authors

  • Orion Lee

    • Washington University, St. Louis

  • Qian Cao

    • Washington University, St. Louis

  • Yogesh Joglekar

    • Indiana University - Purdue University Indianapolis

  • Kater Murch

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• Symmetry enforces entanglement at high temperatures

  Oral-In-person

  March 16, 2026, 2:48 PM – March 16, 2026, 3:00 PM

  Publication: https://arxiv.org/abs/2508.20166

  Presenters

  • Subhayan Sahu

    • Perimeter Inst for Theo Phys

  Authors

  • Amirreza Negari

    • University of Waterloo

  • Leonardo Lessa

    • Perimeter Inst for Theo Phys

  • Subhayan Sahu

    • Perimeter Inst for Theo Phys

  View abstract →