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Magnon dynamics in a Skyrmion-textured domain wall of antiferromagnets

Lee, S.*; 仲田 光樹   ; Tchernyshyov, O.*; Kim, S. K.*

Lee, S.*; Nakata, Koki; Tchernyshyov, O.*; Kim, S. K.*

We theoretically investigate the interaction between magnons and a Skyrmion-textured domain wall in a two-dimensional antiferromagnet and elucidate the resultant properties of magnon transport by using supersymmetric quantum mechanics. Our results suggest that the thermal transport of an antiferromagnet is tunable by modulating the Skyrmion charge density of the domain wall, which might be useful for realizing electrically tunable spin caloritronic devices.

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