Shot noise in a diffusive ferromagnetic-paramagnetic-ferromagnetic spin valve

被引：38
|
作者：
Mishchenko, EG [1 ]
机构：
[1] Harvard Univ, Dept Phys, Lyman Lab, Cambridge, MA 02138 USA
来源：
PHYSICAL REVIEW B | 2003年 / 68卷 / 10期
关键词：
D O I：
10.1103/PhysRevB.68.100409
中图分类号：
T [工业技术];
学科分类号：
08 ;
摘要：
Fluctuations of electric current in a spin valve consisting of a diffusive conductor connected to ferromagnetic leads and operated in the giant magnetoresistance regime are studied. It is shown that fluctuations due to spin-flip scattering enhance strongly shot noise up to a point where the Fano factor approaches the full Poissonian value.
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页数：4
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