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

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

2011-02-15

arxiv.org/abs/1102.2947v1

Physics

Condensed Matter

Strongly Correlated Electrons

accepted by the Journal of Physics: Condensed Matter

Scientific paper

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.

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