Observing the spin-Coulomb drag in spin-valve devices

Details Observing the spin-Coulomb drag in spin-valve devices Observing the spin-Coulomb drag in spin-valve devices

2004-08-24

arxiv.org/abs/cond-mat/0408522v1

Physics

Condensed Matter

Strongly Correlated Electrons

11 pages, 5 figures

Scientific paper

10.1103/PhysRevB.71.125103

The Coulomb interaction between electrons of opposite spin orientations in a metal or in a doped semiconductor results in a negative off-diagonal component of the electrical resistivity matrix -- the so-called "spin-drag resistivity". It is generally quite difficult to separate the spin-drag contribution from more conventional mechanisms of resistivity. In this paper I discuss two methods to accomplish this separation in a spin-valve device.

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