Altermagnetism VI: Magneto-Optics and Magnons

Presentations

• Chiral Splitting of Magnons and Paramagnon Coupling in MnTe

  Oral-In-person

  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 Clements

    • Oak Ridge National Laboratory

  • Jiaqiang Yan

    • Oak Ridge National Laboratory

  • Matthew Stone

    • Oak Ridge National Laboratory

  • Michael Manley

    • Oak Ridge National Laboratory

  • Raphael Hermann

    • Oak Ridge National Laboratory

  View abstract →

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

  Oral-In-person

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

  Publication: arXiv:2505.02934

  Presenters

  • Ilteris Turan

    • Case Western Reserve University

  Authors

  • Ilteris Turan

    • Case Western Reserve University

  • Walter R Lambrecht

    • Case Western Reserve University

  • Jerome Jackson

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

  Oral-In-person

  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

  • Nicola Marzari

    • Ecole Polytechnique Federale de Lausanne

  • Iurii Timrov

    • Paul Scherrer Institute

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• Characterization of magnon band splitting in altermagnetic FeF2

  Oral-In-person

  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 Garlea

    • Oak Ridge National Lab

  • David Lederman

    • UCSC

  • John Tranquada

    • Brookhaven National Laboratory (BNL)

  • Igor Zaliznyak

    • Brookhaven National Laboratory (BNL)

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

  Oral-In-person

  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 Nikolic

    • University of Delaware

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

  Oral-In-person

  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

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

  Oral-In-person

  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 University

  Authors

  • Wejdan Beida

    • University of RWTH-Aachen University

  • Ersoy Sasioglu

    • University of Halle-Wittenberg

  • Gustav Bihlmayer

    • Forschungszentrum Jülich GmbH

  • Christoph Friedrich

  • Yuiry Mokrousov

  • Stefan Bluegel

    • Forschungszentrum Jülich GmbH

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• Geometric Origin of Chiral Magnons in Antiferromagnets

  Oral-In-person

  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

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• Magnetic Birefringence as an Optical Signature of Collinear Altermagnetism

  Oral-In-person

  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 Vergniory

  • Rafael Fernandes

    • University of Illinois Urbana-Champaign

  • Jeroen Van Den Brink

    • IFW Dresden

  • Mengli Hu

  • Jörn Venderbos

    • Drexel University

  • Daniil Antonenko

  • Veronika Sunko

  View abstract →

• On optical character of Altermagnets

  Oral-In-person · Withdrawn

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

  Presenters

  • Sayed Ali Akbar Ghorashi

    • University of Pennsylvania

  Authors

  • Sayed Ali Akbar Ghorashi

    • University of Pennsylvania

  • Andrew Rappe

    • University of Pennsylvania

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• A magneto-optical signature for detecting altermagnetism

  Oral-In-person

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

  Presenters

  • Edwin Huang

    • University of Notre Dame

  Authors

  • Edwin Huang

    • University of Notre Dame

  • Kadan Lam

  • Badih Assaf

    • University of Notre Dame

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

  Oral-In-person

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

  Presenters

  • Qiang Li

    • Stony Brook University and Brookhaven National Laboratory

  Authors

  • Sayed Ali Akbar Ghorashi

    • University of Pennsylvania

  • Qiang Li

    • Stony Brook University and Brookhaven National Laboratory

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• Symmetry design of excitons in altermagnets

  Oral-In-person · Withdrawn

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

  Presenters

  • Yuntian Liu

    • State Univ of NY - Buffalo

  Authors

  • Yuntian Liu

    • State Univ of NY - Buffalo

  • Jiayu David Cao

    • University of Central Florida

  • Konstantin Denisov

    • State Univ of NY - Buffalo

  • Igor Zutic

    • State Univ of NY - Buffalo

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• Linear and nonlinear optical investigations of altermagnet semiconductor La₂O₃Mn₂Se₂

  Oral-In-person

  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 →