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ZhETF, Vol. 129, No. 4, p. 742 (April 2006)
(English translation - JETP, Vol. 102, No. 4, p. 652, April 2006 available online at www.springer.com )

TWO-DIMENSIONAL S-N-S JUNCTION WITH THE RASHBA SPIN-ORBIT INTERACTION
Dimitrova O., Feigel'man M.V.

Received: November 1, 2005

PACS: 74.50.+r, 74.25.Sv, 71.70.Ej

DJVU (115.5K) PDF (318.1K)

The effect of Rashba spin-orbit interaction on the supercurrent in S - 2DEG - S proximity junctions is investigated in the clean limit. A generalization of Beenakker's formula for Andreev levels to the case of spin-orbit scattering is presented. Spin-orbit-induced splitting of Andreev bound states is predicted for an infinite-width junction with nonvanishing normal backscattering at S-N interfaces. However, a semiclassical average of the Josephson current is insensitive to the Rashba coupling as long as the electron-electron interaction in 2DEG is neglected.

 
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