Renormalization of hole-hole interaction at decreasing Drude conductivity

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The diffusion contribution of the hole-hole interaction to the conductivity is analyzed in gated GaAs/In$_x$Ga$_{1-x}$As/GaAs heterostructures. We show that the change of the interaction correction to the conductivity with the decreasing Drude conductivity results both from the compensation of the singlet and triplet channels and from the arising prefactor $α_i<1$ in the conventional expression for the interaction correction.
6 pages, 5 figures

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Disordered Systems and Neural Networks

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http://salesiana.dossiersoluciones.com/handle/123456789/209154

Consulte el texto completo en el siguiente enlace:

https://arxiv.org/abs/0705.3117
 http://arxiv.org/abs/0705.3117
 Phys. Rev. B 76, 165314 (2007)
 doi:10.1103/PhysRevB.76.165314

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arXiv