Altermagnetism VI: Magneto-Optics and Magnons

Presentations

• Chiral Splitting of Magnons and Paramagnon Coupling in MnTe

  ORAL

  March 18, 2026, 8:00 AM – March 18, 2026, 8:12 AM

  Presenters

  • George Yumnam

    • Oak Ridge National Laboratory

  Authors

  • George Yumnam

    • Oak Ridge National Laboratory

  • Eleanor M Clements

    • Oak Ridge National Laboratory

  • Jiaqiang Yan

    • Oak Ridge National Laboratory

  • Mathew B Stone

    • Oak Ridge National Laboratory

  • Michael E Manley

    • Oak Ridge National Laboratory

  • Raphael P Hermann

    • Oak Ridge National Laboratory

  View abstract →

• Exchange interactions, spin wave spectra, and critical (Néel) temperature calculations in altermagnetic MnGeP₂

  ORAL

  March 18, 2026, 8:12 AM – March 18, 2026, 8:24 AM

  Publication: arXiv:2505.02934

  Presenters

  • Ilteris K Turan

    • Case Western Reserve University

  Authors

  • Ilteris K Turan

    • Case Western Reserve University

  • Walter R L Lambrecht

    • Case Western Reserve University

  • Jerome Jackson

    • STFC Daresbury Laboratory
    • Scientific Computing Department, STCF Daresbury Laboratory

  View abstract →

• Accurate chiral magnon splitting in altermagnetic MnTe fully from first principles

  ORAL

  March 18, 2026, 8:24 AM – March 18, 2026, 8:36 AM

  Publication: Luca Binci, Nicola Marzari, and Iurii Timrov, "Accurate chiral magnon splitting in altermagnetic MnTe fully from first principles", in preparation.

  Presenters

  • Iurii Timrov

    • Paul Scherrer Institute

  Authors

  • Luca Binci

    • University of California Berkeley

  • Nicola Marzari

    • École Polytechnique Fédérale de Lausanne
    • Ecole Polytechnique Federale de Lausanne
    • Paul Scherrer Institute PSI

  • Iurii Timrov

    • Paul Scherrer Institute

  View abstract →

• Characterization of magnon band splitting in altermagnetic FeF2

  ORAL

  March 18, 2026, 8:36 AM – March 18, 2026, 8:48 AM

  Presenters

  • Jennifer Sears

    • Brookhaven National Laboratory (BNL)

  Authors

  • Jennifer Sears

    • Brookhaven National Laboratory (BNL)

  • Ovidiu O Garlea

    • Oak Ridge National Laboratory
    • Oak Ridge National Lab

  • David Lederman

    • UCSC

  • John Martin Tranquada

    • Brookhaven National Laboratory (BNL)

  • Igor A Zaliznyak

    • Brookhaven National Laboratory (BNL)

  View abstract →

• Signatures of a bath of altermagnetic magnons on ferromagnetic spin waves

  ORAL

  March 18, 2026, 8:48 AM – March 18, 2026, 9:00 AM

  Presenters

  • Felipe Reyes Osorio

    • University of Delaware

  Authors

  • Felipe Reyes Osorio

    • University of Delaware

  • Branislav K Nikolic

    • University of Delaware

  View abstract →

• Two-magnon excitations in altermagnetism probed by inelastic light scattering

  ORAL

  March 18, 2026, 9:00 AM – March 18, 2026, 9:12 AM

  Presenters

  • Shuyi Li

    • University of Florida

  Authors

  • Shuyi Li

    • University of Florida

  • Lexu Zhao

    • University of Florida

  • Chunjing Jia

    • University of Florida

  View abstract →

• Chiral magnons and anisotropic damping in metallic g-wave altermagnets

  ORAL

  March 18, 2026, 9:12 AM – March 18, 2026, 9:24 AM

  Publication: W. Beida, et al., npj Quantum Mater. 10, 97 (2025).

  Presenters

  • Wejdan Beida

    • University of RWTH-Aachen and Forschungzentrum Jülich

  Authors

  • Wejdan Beida

    • University of RWTH-Aachen and Forschungzentrum Jülich

  • Ersoy Sasioglu

    • University of Halle-Wittenberg

  • Gustav Bihlmayer

    • Forschungszentrum Jülich GmbH
    • Forschungzentrum Jülich

  • Christoph Friedrich

    • Forschungzentrum Jülich

  • Yuiry Mokrousov

    • FZ Juelich, Germany
    • Forschungzentrum Jülich and Johannes Gutenberg University Mainz

  • Stefan Bluegel

    • Forschungszentrum Jülich GmbH
    • University of RWTH Aachen and Forschungzentrum Jülich

  View abstract →

• Geometric Origin of Chiral Magnons in Antiferromagnets

  ORAL

  March 18, 2026, 9:24 AM – March 18, 2026, 9:36 AM

  Presenters

  • Niclas Heinsdorf

    • Quantum Matter Institute, University of British Columbia

  Authors

  • Niclas Heinsdorf

    • Quantum Matter Institute, University of British Columbia

  • Nitin Kaushal

    • Oak Ridge National Laboratory

  • Marcel Franz

    • University of British Columbia

  View abstract →

• Magnetic Birefringence as an Optical Signature of Collinear Altermagnetism

  ORAL

  March 18, 2026, 9:36 AM – March 18, 2026, 9:48 AM

  Presenters

  • Diego García Ovalle

    • Université de Sherbrooke

  Authors

  • Diego García Ovalle

    • Université de Sherbrooke

  • Maia G Vergniory

    • Université de Sherbrooke
    • Donostia International Physics Center
    • Département de physique et Institut quantique, Université de Sherbrooke, Sherbrooke J1K 2R1 QC, Canada
    • Université de Sherbrook
    • Universite de Sherbrooke

  • Rafael M Fernandes

    • University of Illinois Urbana-Champaign

  • Jeroen Van Den Brink

    • IFW Dresden

  • Mengli Hu

    • IFW Dresden

  • Jörn Venderbos

    • Drexel University

  • Daniil S Antonenko

    • Yale University

  • Veronika Sunko

    • Institute of Science and Technology Austria
    • Institute of Science and Technology

  View abstract →

• Abstract Withdrawn

  ORAL · Withdrawn

  March 18, 2026, 9:48 AM – March 18, 2026, 10:00 AM

  View abstract →

• A magneto-optical signature for detecting altermagnetism

  ORAL

  March 18, 2026, 10:00 AM – March 18, 2026, 10:12 AM

  Presenters

  • Edwin W Huang

    • University of Notre Dame

  Authors

  • Edwin W Huang

    • University of Notre Dame

  • Kadan Lam

    • University of Notre Dame

  • Badih A Assaf

    • University of Notre Dame

  View abstract →

• Dynamical generation of higher-order spin-orbit couplings, topology and persistent spin texture in light-irradiated altermagnets

  ORAL

  March 18, 2026, 10:12 AM – March 18, 2026, 10:24 AM

  Presenters

  • Qiang Li

    • Stony Brook University (SUNY)
    • Brookhaven National Lab and Stony Brook University

  Authors

  • Sayed Ali Akbar Ghorashi

    • University of Pennsylvania

  • Qiang Li

    • Stony Brook University (SUNY)
    • Brookhaven National Lab and Stony Brook University

  View abstract →

• Abstract Withdrawn

  ORAL · Withdrawn

  March 18, 2026, 10:24 AM – March 18, 2026, 10:36 AM

  View abstract →

• Linear and nonlinear optical investigations of altermagnet semiconductor La₂O₃Mn₂Se₂

  ORAL

  March 18, 2026, 10:36 AM – March 18, 2026, 10:48 AM

  Presenters

  • Kin To Wong

    • University of Michigan

  Authors

  • Kin To Wong

    • University of Michigan

  View abstract →