学術雑誌論文 Instability of the BCS Type Pairing in Magnetic Field Due to the Rashba Spin-Orbit Interaction and Supercurrent Generation by Spin-Twisting Itinerant Motion of Electrons in BCS Superconductors

Koizumi, Hiroyasu  ,  Tachiki, Masashi

28 ( 8 )  , pp.2267 - 2273 , 2015-08 , Springer US
ISSN:1557-1939
NII書誌ID(NCID):AA12092103
内容記述
In a uniform magnetic field, the BCS type pairing is taken over by the pairing of spin-twisting itinerant motion states due to the Rashba spin-orbit interaction. It gives rise to stable eddy currents forced to flow by the single-valued requirement of the wave function. They are stabilized by the energy gap of the electron pairing and protected by topological winding numbers of the wave function for the spin-twisting itinerant motion. The supercurrent is generated by a collection of such eddy currents.
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