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Lifetimes of a Two-Dimensional Electron Gas in the Presence of Spin-Orbit Interaction

Xu, Wen; Vasilopoulos, P; Wang, Xiao Lin

Description

Using the momentum-balance equation derived from a Boltzmann equation, we evaluate the quantum and transport lifetimes of a two-dimensional electron gas (2DEG) in the presence of spin-orbit interaction (SOI) induced by the Rashba effect. For low temperatures, the electronic transport lifetimes due to impurity scattering differ significantly between different spin branches. The effect is more pronounced for stronger SOI and/or lower electron density. In contrast, the quantum lifetimes depend...[Show more]

CollectionsANU Research Publications
Date published: 2004
Type: Journal article
URI: http://hdl.handle.net/1885/87797
Source: Semiconductor Science and Technology
DOI: 10.1088/0268-1242/19/2/017

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