期刊
PHYSICAL REVIEW B
卷 61, 期 14, 页码 9449-9452出版社
AMER PHYSICAL SOC
DOI: 10.1103/PhysRevB.61.9449
关键词
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Using a discrete model of two-dimensional easy-plane classical ferromagnets, we propose that a rotating magnetic field in the easy plane can switch a vortex from one polarization to the opposite one if the amplitude exceeds a threshold value, but the backward process does not occur. Such switches are indeed observed in computer simulations.
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