Spin and charge transport in U-shaped one-dimensional channels with spin-orbit couplings

Liu, Ming-Hao ; Wu, Jhih-Sheng ; Chen, Son-Hsien ; Chang, Ching-Ray

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Date of publication of this fulltext: 22 Jun 2011 06:22

Alternative links to fulltext:DOI Arxiv

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Abstract

A general form of the Hamiltonian for electrons confined to a curved one-dimensional (1D) channel with spin-orbit coupling (SOC) linear in momentum is rederived and is applied to a U-shaped channel. Discretizing the derived continuous 1D Hamiltonian to a tight-binding version, the Landauer–Keldysh formalism (LKF) for nonequilibrium transport can be applied. Spin transport through the U-channel ...