Electron scattering from a mesoscopic disk in Rashba system

Details Electron scattering from a mesoscopic disk in Rashba system Electron scattering from a mesoscopic disk in Rashba system

2007-01-09

arxiv.org/abs/cond-mat/0701162v1

Phys. Rev. B 73, 35313 (2006)

Physics

Condensed Matter

Mesoscale and Nanoscale Physics

13 page, 4 figures

Scientific paper

10.1103/PhysRevB.73.035313

Electrons with spin-orbit coupling moving in mesoscopic structures can often exhibit local spin polarization. In this paper, we study the influence of the Rashba coupling on the scattering of two-dimensional electrons from a circular disk. It is observed that spin-polarized regions exist, even if the incident electrons are unpolarized. In addition to the distributions of charge and spin current in the near-field region, we also analyze the symmetry and the differential cross-section of the scattering.

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