paper

Kondo Spin Screening Cloud in Two-dimensional Electron Gas with Spin-orbit Couplings

arXiv:1102.2947 · doi:10.1088/0953-8984/23/10/105602

Abstract

A spin-1/2 Anderson impurity in a semiconductor quantum well with Rashba and Dresselhaus spin-orbit couplings is studied by using a variational wave function method. The local magnetic moment is found to be quenched at low temperatures. The spin-spin correlations of the impurity and the conduction electron density show anisotropy in both spatial and spin spaces, which interpolates the Kondo spin screenings of a conventional metal and of a surface of three-dimensional topological insulators.

accepted by the Journal of Physics: Condensed Matter

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