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Adachi, Hiroto; Maekawa, Sadamichi
Journal of Applied Physics, 117(17), p.17C710_1 - 17C710_4, 2015/05
Times Cited Count:6 Percentile:26.86(Physics, Applied)We theoretically investigate the unidirectional spin heat conveyer effect recently reported in the literature that emerges from the Damon-Eshbach spin wave on the surface of a magnetic material. We develop a simple phenomenological approach to heat transfer dynamics in a coupled system of phonons and the Damon-Eshbach spin wave, and demonstrate that there arises a direction-selective heat flow as a result of the competition between an isotropic heat diffusion by phonons and unidirectional heat drift by the spin wave. The phenomenological approach can account for the asymmetric local temperature distribution observed in the experiment.
Entani, Shiro; Naramoto, Hiroshi*; Sakai, Seiji
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