Optical Conductivity of Ferromagnetic Semiconductors
E. H. Hwang, A. J. Millis, S. Das Sarma
Abstract
The dynamical mean field method is used to calculate the frequency and temperature dependent conductivity of dilute magnetic semiconductors. Characteristic qualitative features are found distinguishing weak, intermediate, and strong carrier-spin coupling and allowing quantitative determination of important parameters defining the underlying ferromagnetic mechanism.
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