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Mar 20 – 23, 2023
Campus Garching
Europe/Berlin timezone

Non-reciprocal magnons in non-centrosymmetric MnSi

Mar 20, 2023, 4:00 PM
Yards 4 - 6 (Fakultät für Maschinenwesen)

Yards 4 - 6

Fakultät für Maschinenwesen

Board: MO-077
Poster Magnetism, Superconductivity, Topological Systems, Magnetic Thin Films an other electronic phenomena Poster Session MONDAY


Robert Georgii


Spin waves in chiral magnetic materials are strongly influenced by the Dzyaloshinskii-Moriya interaction, resulting in intriguing phenomena like nonreciprocal magnon propagation and magnetochiral dichroism. We studied the nonreciprocal magnon spectrum of the archetypical chiral magnet MnSi and its evolution as a function of magnetic field in all magnetic phases. Using inelastic neutron scattering, the magnon energies and their spectral weights are determined quantitatively after deconvolution with the instrumental resolution [1,2].

[1] T. Weber, J. Waizner, G. S. Tucker, R. Georgii, M. Kugler, A. Bauer, C. Pfleiderer,
M. Garst, and P. Böni, Phys. Rev. B 97, 224403 (2018).
[2] T. Weber, J. Waizner, G. S. Tucker, L. Beddrich, M. Skoulatos, R. Georgii, A. Bauer,
C. Pfleiderer, M. Garst, and P. Böni, AIP Advances 8, 101328 (2018).

Primary author

Dr Tobias Weber (Institut Laue-Langevin (ILL))


Andreas Bauer (Technische Universität München) Christian Pfleiderer Lukas Beddrich (Heinz Maier-Leibnitz Zentrum (MLZ)) Markos Skoulatos (TUM) Markus Garst (Institut für Theoretische Festkörperphysik, Karlsruhe Institute of Technology, D-76131 Karlsruhe, Germany) Peter Böni (Technische Universität München) Robert Georgii

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