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Violation of the magnonic Wiedemann-Franz law in the strong nonlinear regime

非線形応答領域におけるマグノンWiedemann-Franz則の破れ

仲田 光樹   ; 大沼 悠一*; Kim, S. K.*

Nakata, Koki; Onuma, Yuichi*; Kim, S. K.*

普遍的熱磁気法則「マグノンWiedemann-Franz則」が非線形応答領域において破れることを理論的に解明することに成功した。

We show that the ratio of the thermal to spin transport coefficient of magnons in insulating magnets exhibits a different behavior from the linear response and the universal law breaks down in the strong nonlinear regime.

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パーセンタイル:22.29

分野:Materials Science, Multidisciplinary

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