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VOLUME 94 | ISSUE 6 | PAGE 481
Thermoelectric properties of the interacting two dimensional electron gas in the diffusion regime
V. T. Dolgopolov+, A. Gold

+Institute of Solid State Physics RAD, 142432 Chernogolovka, Russia
*Centre d'Elaboration de Materiaux et d'Etudes Structurales (CEMES/CNRS)
×Universit Paul Sabatier, 31055 Toulouse, France

Abstract
We demonstrate that kinetic coefficients related to thermoelectric properties of the two dimensional electron gas in the diffusive regime are strongly influenced by electron-electron interaction. As an example we consider the thermoelectric coefficients of the diluted two-dimensional electron gas in Si(100) MOSFET's in the presence of charged-impurity scattering. We find that the screening anomaly at q=2k F, also responsible for Friedel oscillations, leads at low electron densities to a large change in the thermoelectric coefficient for the thermopower.


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