Spin-orbit berry phase in a quantum loop

M. P. Trushin () and A. L. Chudnovskiy

The European Physical Journal B: Condensed Matter and Complex Systems, 2006, vol. 52, issue 4, 547-555

Abstract: We have found a manifestation of spin-orbit Berry phase in the conductance of a mesoscopic loop with Rashba spin-orbit coupling placed in an external magnetic field perpendicular to the loop plane. In detail, the transmission probabilities for a straight quantum wire and for a quantum loop made of the same wire have been calculated and compared with each other. The difference between them has been investigated and identified with a manifestation of spin-orbit Berry phase. The non-adiabaticity effects at small radii of the loop have been found as well. Copyright EDP Sciences/Società Italiana di Fisica/Springer-Verlag 2006

Keywords: 73.23.Ad Ballistic transport; 05.60.Gg Quantum transport; 03.65.Vf Phases: geometric; dynamic or topological (search for similar items in EconPapers)
Date: 2006
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DOI: 10.1140/epjb/e2006-00322-7

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