[HTML][HTML] Non-reciprocal magnons in non-centrosymmetric MnSi
T Weber, J Waizner, GS Tucker, L Beddrich… - Aip Advances, 2018 - pubs.aip.org
Using two cold-neutron triple-axis spectrometers we have succeeded in fully mapping out
the field-dependent evolution of the non-reciprocal magnon dispersion relations in all
magnetic phases of MnSi. The non-reciprocal nature of the dispersion manifests itself in a
full asymmetry (non-reciprocity) of the dynamical structure factor S q, E, μ 0 H int with respect
to flipping either the direction of the applied magnetic field μ 0 H int, the reduced momentum
transfer q, or the energy transfer E.
the field-dependent evolution of the non-reciprocal magnon dispersion relations in all
magnetic phases of MnSi. The non-reciprocal nature of the dispersion manifests itself in a
full asymmetry (non-reciprocity) of the dynamical structure factor S q, E, μ 0 H int with respect
to flipping either the direction of the applied magnetic field μ 0 H int, the reduced momentum
transfer q, or the energy transfer E.
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