English (United Kingdom)

https://curated-unify.zendy.io/wp-json/zendy-region/v1/featured_content/oa?rat=en

https://curated-unify.zendy.io/wp-json/zendy-region/v1/highlighted_journal/

Global: Zendy Plus annual

Presents the access of premium content as premium feature

Premium Content

Presents the keyphrase highlighting as premium feature

Keyphrase Highlighting

Presents the summarisation as premium feature

Summarisation

Insights

Presents the pdf analysis as premium feature

PDF Analysis

Presents the zaia usage as premium feature

ZAIA

Global: Zendy Tools annual

Global: Zendy Free Plan

Global: Zendy Tools monthly

Global: Zendy Plus monthly

We calculate the longitudinal and spin-Hall conductances in four-lead bridgeswith Rashba - Dresselhaus spin-orbit interactions. Numerical results areobtained both within Landauer-Buttiker formalism and by the direct evaluationof the Kubo formula. The microscopic Hamiltonian is obtained in thetight-binding approximation in terms of the neareast-neighbor hopping integral$t$, the Rashba spin-orbit coupling $V_R$, the Dresselhaus spin-orbit coupling$V_D$ and an Anderson-like, on-site disorder energy strength $W$. We reconfirmthat below a critical disorder threshold, the spin-Hall effect is present.Further, we study the effect on the two conductivities of the Fermi energy,Rashba/Dresselhaus coefficient ratio, and system size.Comment: 7 pages, 9 figure

Longitudinal and spin-Hall conductance of a two-dimensional Rashba system with arbitrary disorder