Anomalous Hall effect in spin-polarized two-dimensional electron gases with Rashba spin orbit interaction

Details Anomalous Hall effect in spin-polarized two-dimensional electron gases with Rashba spin orbit interaction Anomalous Hall effect in spin-polarized two-dimensional electron gases with Rashba spin orbit interaction

Sep 2007

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2007njph....9..350k&link_type=abstract

New Journal of Physics, Volume 9, Issue 9, pp. 350 (2007).

Physics

16

Scientific paper

We present details of the analysis of the effect of disorder on the intrinsic anomalous Hall conductivity (AHC) in a spin-polarized two-dimensional electron gas with a Rashba-type spin orbit interaction. We show that the AHC derived by the Kubo formula vanishes when the Fermi energy is larger than the exchange energy unless the lifetime is spin-dependent. Results obtained by numerical integration of the general expressions of the AHC suggest that the AHC could depend on the lifetime, in contrast to previous results.

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