期刊
PHYSICAL REVIEW B
卷 97, 期 5, 页码 -出版社
AMER PHYSICAL SOC
DOI: 10.1103/PhysRevB.97.054424
关键词
-
资金
- US Department of Energy, Office of Basic Energy Sciences, Division of Materials Sciences and Engineering [DE-FG02-08ER46544]
We derive viscous forces for vortices in a thin-film ferromagnet. The viscous force acting on vortex i is a linear superposition F-i = -Sigma(j) (D) over cap V-ij(j), where V-j is the velocity of vortex j. Thanks to the long-range nature of vortices, the mutual drag tensor (D) over cap (ij) is comparable in magnitude to the coefficient of self-drag D-ii.
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