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Berlin 2018 – scientific programme

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MA: Fachverband Magnetismus

MA 46: Magnonics II

MA 46.11: Talk

Thursday, March 15, 2018, 17:45–18:00, H 0110

Controlling chiral domain walls in antiferromagnets using spin-wave helicity — •Alireza Qaiumzadeh, Lars Kristiansen, and Arne Brataas — Center for Quantum Spintronics, Department of Physics, Norwegian University of Science and Technology, NO-7491 Trondheim, Norway

In antiferromagnets, the Dzyaloshinskii-Moriya interaction lifts the degeneracy of left- and right-circularly polarized spin waves. This relativistic coupling increases the efficiency of spin-wave induced domain-wall motion. In this talk, we report a fast all-magnonic helicity-dependent antiferromagnetic domain wall motion in the presence of the Dzyaloshinskii-Moriya interaction.

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