Collision-narrowing of Raman spectrum for spin-density fluctuations of electrons in n-GaAs

The inelastic light-scattering spectrum for single-particle excitations in n-GaAs has been found to be considerably narrower than the Gaussian form usually predicted for a Maxwell-Boltzmann energy distribution. In this paper, we compare the contribution to the narrowing for two factors: collisions a...

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Published in:Solid state communications 1983-01, Vol.45 (8), p.685-687
Main Authors: Tsen, K.T., Bray, Ralph
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Language:English
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cited_by cdi_FETCH-LOGICAL-c335t-c1c91bb9c74768d59c10b6d2f10da3a2d60e89780a6bdbbcb0ef8562db3ae2113
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container_title Solid state communications
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Bray, Ralph
description The inelastic light-scattering spectrum for single-particle excitations in n-GaAs has been found to be considerably narrower than the Gaussian form usually predicted for a Maxwell-Boltzmann energy distribution. In this paper, we compare the contribution to the narrowing for two factors: collisions and the momentum-dependence of resonant enhancement terms. The analysis is restricted to the spin-density fluctuation mechanism, which has been found to be best suited for probing the electron distribution.
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title Collision-narrowing of Raman spectrum for spin-density fluctuations of electrons in n-GaAs
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