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Tunable magnonic thermal Hall effect in skyrmion crystal phases of ferrimagnets

Kim, S. K.*; Nakata, Koki   ; Loss, D.*; Tserkovnyak, Y.*

We theoretically study the thermal Hall effect by magnons in skyrmion crystal phases of ferrimagnets in the vicinity of the angular momentum compensation point (CP). For an experimental proposal, we predict that themagnonic thermal Hall conductivity changes its sign when the ferrimagnet is tuned across the CP, providing a way to control heat flux in spin-caloritronic devices on the one hand and a feasible way todetect the CP of ferrimagnets on the other hand.



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Category:Physics, Multidisciplinary



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