Evanescent states in quantum wires with Rashba spin-orbit coupling

Details Evanescent states in quantum wires with Rashba spin-orbit coupling Evanescent states in quantum wires with Rashba spin-orbit coupling

2007-05-10

arxiv.org/abs/0705.1506v1

Physical Review B 76, 045339 (2007).

Physics

Condensed Matter

Mesoscale and Nanoscale Physics

8 pages, 8 figures

Scientific paper

10.1103/PhysRevB.76.045339

We discuss the calculation of evanescent states in quasi-one-dimensional quantum wires in the presence of Rashba spin-orbit interaction. We suggest a computational algorithm devised for cases in which longitudinal and transverse motions are coupled. The dispersion relations are given for some selected cases, illustrating the feasibility of the proposed computational method. As a practical application, we discuss the solutions for a wire containing a potential step.

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