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Dielectric response of electron–hole systems. Nondegenerate case and quantum corrections

Dirk Semkat, H. Stolz, Wolf-Dietrich Kraeft, H. Fehske

Journal of Physics: Condensed Matter, 2021

Abstract

Analytical results for the dielectric function in RPA are derived for three-, two-, and one-dimensional semiconductors in the weakly-degenerate limit. Based on this limit, quantum corrections are derived. Further attention is devoted to systems with linear carrier dispersion and the resulting Dirac-cone physics.

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