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arXiv:1302.4829 [cond-mat.mes-hall]AbstractReferencesReviewsResources

The effect of electron--hole scattering on the transport properties of a 2D semimetal in a HgTe quantum well

M. V. Entin, L. I. Magarill, E. B. Olshanetsky, Z. D. Kvon, N. N. Mikhailov, S. A. Dvoretsky

Published 2013-02-20Version 1

The influence of e-h scattering on the conductivity and magnetotransport of 2D semimetallic HgTe is studied both theoretically and experimentally. The presence of e-h scattering leads to the friction between electron and holes resulting in a large temperature-dependent contribution to the transport coefficients. The coefficient of friction between electrons and holes is determined. The comparison of experimental data with the theory shows that the interaction between electrons and holes based on the long - range Coulomb potential strongly underestimates the e-h friction. The experimental results are in agreement with the model of strong short-range e-h interaction.

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