Multiple Scattering Theory for Two-dimensional Electron Gases in the Presence of Spin-Orbit Coupling

Details Multiple Scattering Theory for Two-dimensional Electron Gases in the Presence of Spin-Orbit Coupling Multiple Scattering Theory for Two-dimensional Electron Gases in the Presence of Spin-Orbit Coupling

2005-07-22

arxiv.org/abs/cond-mat/0507528v2

Physics

Condensed Matter

Mesoscale and Nanoscale Physics

34 pages, 7 figures

Scientific paper

10.1103/PhysRevB.73.035325

In order to model the phase-coherent scattering of electrons in two-dimensional electron gases in the presence of Rashba spin-orbit coupling, a general partial-wave expansion is developed for scattering from a cylindrically symmetric potential. The theory is applied to possible electron flow imaging experiments using a moveable scanning probe microscope tip. In such experiments, it is demonstrated theoretically that the Rashba spin-orbit coupling can give rise to spin interference effects, even for unpolarized electrons at nonzero temperature and no magnetic field.

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