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1991 | 80 | 3 | 321-324
Article title

Potential Energy Fluctuation in Quasi Two-Dimensional Electron Gas Due to External Ionized Impurities

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EN
Abstracts
EN
Two-dimensional electron gas separated from Coulomb centers by a spacer is considered. Electrons are treated semi classically in limit of weak fluctuation and T = 0. Two screening models, Thomas-Fermi and RPA, are in dependently used. The second moment of the potential energy distribution is calculated analytically as a function of the spacer width. The qualitative arguments for the Gaussian character of the distribution are given and the density of states for such a distribution is calculated.
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EN
Publisher

Year
Volume
80
Issue
3
Pages
321-324
Physical description
Dates
published
1991-09
Contributors
  • Institute of Physics, Poljsh Academy of Science ,al. Lotników 32/46, 02-668 Warszawa, Poland
References
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YADDA identifier
bwmeta1.element.bwnjournal-article-appv80z303kz
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