Vortex polarity switching by a spin-polarized current

Authors: Jean-Guy Caputo, Yuri Gaididei, Franz G. Mertens, Denis D. Sheka, Publication: Phys. Rev. Lett. 98, 056604 (2007), 10.1103/PhysRevLett.98.056604 Comments: 4 pages, 3 figures arXiv: http://arxiv.org/abs/cond-mat/0607362 The spin-transfer effect is investigated for the vortex state of a magnetic nanodot. A spin current is shown to act similarly to an effective magnetic field…

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