Electron scattering from a mesoscopic disk in a Rashba system

Jr Yu Yeh; Ming Che Chang; Chung Yu Mou

doi:10.1103/PhysRevB.73.035313

Electron scattering from a mesoscopic disk in a Rashba system

Jr Yu Yeh^*, Ming Che Chang, Chung Yu Mou

^*Corresponding author for this work

Department of Physics

Research output: Contribution to journal › Article › peer-review

5 Citations (Scopus)

Abstract

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.

Original language	English
Article number	035313
Journal	Physical Review B - Condensed Matter and Materials Physics
Volume	73
Issue number	3
DOIs	https://doi.org/10.1103/PhysRevB.73.035313
Publication status	Published - 2006

ASJC Scopus subject areas

Electronic, Optical and Magnetic Materials
Condensed Matter Physics

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10.1103/PhysRevB.73.035313

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title = "Electron scattering from a mesoscopic disk in a Rashba system",

abstract = "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.",

author = "Yeh, {Jr Yu} and Chang, {Ming Che} and Mou, {Chung Yu}",

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N2 - 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.

AB - 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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Electron scattering from a mesoscopic disk in a Rashba system

Abstract

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