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Title: Spin-Hall effect in a disordered two-dimensional electron system
Authors: Raimondi, Roberto
Schwab, Peter
Keywords: spin Hall effect
two-dimensional electron gas
Issue Date: 24-Jan-2005
Publisher: American Physical Society
Source: 22
Abstract: We calculate the spin-Hall conductivity for a two-dimensional electron gas within the self-consistent Born approximation, varying the strength and type of disorder. In the weak disorder limit we find both analytically and numerically a vanishing spin-Hall conductivity even when we allow a momentum dependent scattering. Separating the reactive from the dissipative current response, we find the universal value = e/8 for the reactive response, which cancels however with the dissipative part = –e/8.
DOI: 10.1103/PhysRevB.71.033311
Appears in Collections:A - Articolo su rivista
X_Dipartimento di Fisica 'Edoardo Amaldi'

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