On the dielectric function in zero-gap semiconductors |
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Authors: | W. Bardyszewski |
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Affiliation: | Institute of Theoretical Physics, Warsaw University, Warsaw, Poland |
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Abstract: | The q and ω dependent dielectric function is examined in the random phase approximation for zinc-blende type, zero-gap semiconductors such as HgTe or HgSe. A detailed analysis of the properties of this function based on the analytical formulae obtained for the case of a highly degenerate free-electron gas is performed. In the limiting cases of the static and dynamic dielectric functions a comparison to previous theories is given. |
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