Vacuum fluctuations and the spin current in mesoscopic structures with collinear magnetic order
Materials Science
2009-11-13 v2
Abstract
We show that in magnetic nanostructures with a homogeneous magnetic order, the equilibrium spin current can be nonzero. For example, this is the case of a wide magnetic ring with the magnetization along the ring axis. The physical reason of this effect is a variation of the orientation of anisotropy axis inducing a spin torque acting on the magnetic ions. The mechanism of the spin current generation is related to the quantum vacuum fluctuations in the magnetic system.
Keywords
Cite
@article{arxiv.cond-mat/0702168,
title = {Vacuum fluctuations and the spin current in mesoscopic structures with collinear magnetic order},
author = {Vitalii K. Dugaev and Patrick Bruno},
journal= {arXiv preprint arXiv:cond-mat/0702168},
year = {2009}
}
Comments
4 pages, 2 figures