Journal
PHYSICAL REVIEW B
Volume 84, Issue 18, Pages -Publisher
AMER PHYSICAL SOC
DOI: 10.1103/PhysRevB.84.184406
Keywords
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Funding
- MEXT, Japan [21000004, 22540327]
- Global Center of Excellence Program by MEXT, Japan through Tokyo Institute of Technology
- Grants-in-Aid for Scientific Research [22540327] Funding Source: KAKEN
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Due to the Berry curvature in momentum space, the magnon wave packet undergoes two types of orbital motions in analogy with the electron system: the self-rotation motion and a motion along the boundary of the sample (edge current). The magnon edge current causes the thermal Hall effect, and these orbital motions give corrections to the thermal transport coefficients. We also apply our theory to the magnetostatic spin wave in a thin-film ferromagnet and derive expression for the Berry curvature.
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