Dielectric function of the semiconductor hole gas

Details Dielectric function of the semiconductor hole gas Dielectric function of the semiconductor hole gas

2010-03-25

arxiv.org/abs/1003.4820v3

Europhys. Lett. 91, 67004 (2010)

Physics

Condensed Matter

Strongly Correlated Electrons

4 pages, 1 figure included. Version to appear in Europhys. Lett

Scientific paper

10.1209/0295-5075/91/67004

We study the dielectric function of the homogeneous hole gas in p-doped zinc-blende III-V bulk semiconductors within random phase approximation with the valence band being modeled by Luttinger's Hamiltonian in the spherical approximation. In the static limit we find a beating of Friedel oscillations between the two Fermi momenta for heavy and light holes, while at large frequencies dramatic corrections to the plasmon dispersion occur.

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