Topology and Non-Hertimian Systems

Presentations

• Phase Diagrams of Non-Hermitian Quantum Ising Chains

  ORAL

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

  Presenters

  • DAVID BUCHANAN

    • Department of Physics, Indiana University Indianapolis

  Authors

  • DAVID BUCHANAN

    • Department of Physics, Indiana University Indianapolis

  • Yogesh N Joglekar

    • Department of Physics, Indiana University, Indianapolis
    • Department of Physics, Indiana University Indianapolis.

  View abstract →

• Measuring the Complex Berry Phase in a Non-Hermitian Superconducting Circuit

  ORAL

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

  Presenters

  • Qian Cao

    • Washington University, St. Louis

  Authors

  • Qian Cao

    • Washington University, St. Louis

  • Pratik J Barge

    • Washington University in St. Louis
    • Washington University, St. Louis

  • Maryam Abbasi

    • Washington University, St. Louis

  • Orion Lee

    • Washington University, St. Louis

  • Kater W Murch

    • University of California, Berkeley

  View abstract →

• Non-Hermitian Topology and symmetry protection in the Kitaev chain

  ORAL

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

  Presenters

  • Soham Ray

    • Purdue University

  Authors

  • Soham Ray

    • Purdue University

  • Ayush Raj

    • Purdue University

  • Sai Satyam Samal

    • Purdue University

  View abstract →

• Lindbladian versus Postselected Non-Hermitian Topology

  ORAL

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

  Publication: Pre-print: https://arxiv.org/pdf/2507.07187

  Presenters

  • Alexandre Chaduteau

    • Imperial College London

  Authors

  • Alexandre Chaduteau

    • Imperial College London

  • Frank Schindler

    • Imperial College London

  • Derek K Lee

    • Imperial College London

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• Modelling the Onset of the Selective Non-Hermitian Skin Effect

  ORAL

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

  Presenters

  • Courtney Fleming

    • City University of New York

  Authors

  • Courtney Fleming

    • City University of New York

  • Li Ge

    • College of Staten Island CUNY
    • City University of New York

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• A non-Hermitian loop for quantum measurement

  ORAL

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

  Publication: DOI 10.1088/2399-6528/ade19b (published), and new work in progress

  Presenters

  • Luis E. F. Foa Torres

    • University of Chile
    • Universidad de Chile

  Authors

  • Luis E. F. Foa Torres

    • University of Chile
    • Universidad de Chile

  • Stephan Roche

    • Catalan Institute of Nanoscience and Nanotechnology (ICN2) and ICREA–Institució Catalana de Recerca i Estudis Avançats

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• Mitigating decoherence in Liouvillian non-Hermitian dynamics via controlled system-bath coupling

  ORAL

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

  Presenters

  • Xiang Li

    • North Carolina State University

  Authors

  • Nicholas Klein

    • North Carolina State University

  • Xiang Li

    • North Carolina State University

  • Alexander Schnell

    • Technical University of Berlin

  • Weijian Chen

    • North Carolina State University

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• "Dark poles" in the scattering amplitude of non-Hermitian lattices

  ORAL

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

  Presenters

  • Ao Yang

    • Chinese Academy of Sciences,Institute of Physics

  Authors

  • Ao Yang

    • Chinese Academy of Sciences,Institute of Physics

  • Kai Zhang

    • University of Michigan

  • Chen Fang

    • Chinese Academy of Sciences

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• Liouvillian Skin Effects and Relaxation Dynamics in Two-Dimensional Electron Systems

  ORAL

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

  Publication: Y. Shigedomi and T. Yoshida, arXiv:2505.18001.

  Presenters

  • Yuta Shigedomi

    • Kyoto Univ

  Authors

  • Yuta Shigedomi

    • Kyoto Univ

  • Tsuneya Yoshida

    • Kyoto Univ.

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• Topological Holography for Mixed-State Phases and Phase Transitions

  ORAL

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

  Publication: https://arxiv.org/pdf/2507.06218

  Presenters

  • Zhen Bi

    • Pennsylvania State University

  Authors

  • Zhen Bi

    • Pennsylvania State University

  • Ran Luo

    • Peking University

  • Yi-Nan Wang

    • Peking University

  View abstract →

• Topology of Monitored Quantum Dynamics

  ORAL

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

  Presenters

  • Zhenyu Xiao

    • Princeton University

  Authors

  • Zhenyu Xiao

    • Princeton University

  • Kohei Kawabata

    • Institute for Solid State Physics, University of Tokyo
    • Univ of Tokyo

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• Interplay of spectral topology and band topology in open quantum systems

  ORAL

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

  Publication: arXiv:2503.07193

  Presenters

  • Ronika Sarkar

    • Indian Institute of Science (IISc), Bengaluru

  Authors

  • Ronika Sarkar

    • Indian Institute of Science (IISc), Bengaluru

  • Suraj S Hegde

    • Indian Institute of Science Education and Research (IISER), Thiruvananthapuram

  • Awadhesh Narayan

    • Indian Institute Of Science
    • Indian Institute Of Science (IISc), Bengaluru

  • Tobias Meng

    • Institute of Theoretical Physics and Wurzburg-Dresden Cluster of Excellence, Technische Universitat (TU) Dresden

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• Higher-order exceptional points in a non-reciprocal quantum waveguide beam splitter

  ORAL

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

  Publication: H. Ghaemidizicheh, S. Dehdashti, A. Hanke, A. Touhami, and J. Nötzel, "Higher-order exceptional points in a non-reciprocal waveguide beam splitter," Optics Express 33, 26329–26342 (2025).

  Presenters

  • Hamed Ghaemidizicheh

    • University of Texas Rio Grande Valley

  Authors

  • Hamed Ghaemidizicheh

    • University of Texas Rio Grande Valley

  • Shahram Dehdashti

    • Emmy-Noether Group Theoretical Quantum Systems Design, Technical University of Munich, Munich, Germany
    • Emmy-Noether Group Theoretical Quantum SystemsDesign, Technical Universityof Munich

  • Andreas Hanke

    • Department of Physics and Astronomy, University of Texas Rio Grande Valley, Texas, USA
    • University of Texas Rio Grande Valley

  • Ahmed Touhami

    • Department of Physics and Astronomy, University of Texas Rio Grande Valley, Texas, USA
    • University of Texas Rio Grande Valley

  • Janis Nötzel

    • Emmy-Noether Group Theoretical Quantum Systems Design, Technical University of Munich, Munich, Germany
    • Emmy-Noether Group Theoretical Quantum SystemsDesign, Technical Universityof Munich

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• Quantum Spin Squeezing Enhanced by a Critical Exceptional Point

  ORAL

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

  Presenters

  • Yuma Nakanishi

    • University of Tokyo

  Authors

  • Yuma Nakanishi

    • University of Tokyo

  View abstract →