Spin-Orbit Berry Phase in a Quantum Loop

Details Spin-Orbit Berry Phase in a Quantum Loop Spin-Orbit Berry Phase in a Quantum Loop

2005-11-22

arxiv.org/abs/cond-mat/0511549v2

European Physical Journal 52 (2006), pp. 547--555

Physics

Condensed Matter

Mesoscale and Nanoscale Physics

This version has been published in European Physical Journal, contains 9 pages, 6 figures

Scientific paper

10.1140/epjb/e2006-00322-7

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.

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