Hall conductivity and Lorentz force law for two-band semiconductors
- 15 March 1986
- journal article
- research article
- Published by American Physical Society (APS) in Physical Review B
- Vol. 33 (6) , 4021-4026
- https://doi.org/10.1103/physrevb.33.4021
Abstract
The intraband and interband contributions to the Hall conductivity are calculated for a two-band semiconductor. The interband contributions to the conductivity include a residual term at frequencies less than the band gap. The residual conductivity can be related to a spin-orbit component of the Lorentz force law, analogous to the relativistic case for electrons and positrons. The conductivity is shown to satisfy the proper sum rule.Keywords
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