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On boundary conditions for spin diffusion equations with Rashba spin-orbit interaction | O. Bleibaum
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14 Jun 2006 | Subject: | Disordered Systems and Neural Networks | Abstract: | We reexamine the boundary conditions of spin diffusion equations for dirty semiconductor heterostructures with weak linear Rashba spin-orbit interaction. Doing so, we focus on the influence of tangent derivatives of the particle density at the boundary on the magnetization. Such derivatives are associated with a spin accumulation in the presence of a density gradient. We show that the tangent derivatives enter the boundary conditions and argue that the spin-Hall effect is absent in such systems because of this fact. | Source: | arXiv, cond-mat/0606351 | Services: | Forum | Review | PDF | Favorites |
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