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Ultrafast extrinsic spin-Hall currents | | E. Ya. Sherman
; Ali Najmaie
; H.M. van Driel
; Arthur L. Smirl
; J.E. Sipe
; | | Date: |
28 Jun 2006 | | Subject: | Other | | Abstract: | We consider the possibility of ultrafast extrinsic spin-Hall currents, generated by skew scattering following the optical injection of charge or pure spin currents. We propose a phenomenological model for this effect in quantum well structures. An injected charge current leads to a spin-Hall-induced pure spin current, and an injected pure spin current leads to a spin-Hall-induced charge current. The resulting spin or charge accumulation can be measured optically. | | Source: | arXiv, cond-mat/0606725 | | Services: | Forum | Review | PDF | Favorites | |
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