Abstract
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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