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Conductance of quasi-one-dimensional quantum wire with spin-orbit coupling

Keywords:

K.E. Nagaev – Dr. Sc. (Phis-Math.), Professor, Head of the laboratory of the Kotel’nikov Institute of Radio Engineering, and Electronics Russian Academy of Sciences
A.S. Goremykina – Student MPTI


Due to spin-orbit coupling and special confining potential, spin-orbit gap may be observed in energy spectrum for 1D quantum wire, which leads to dips in conductance and to occurrence of spin current. We get analytical solution for conductance, which is confirmed by numerical calculation.
References:

  1. Pershin Y.V., Nesteroff J.A. and Privman V. Effect of spin-orbit interaction and in-plane magnetic field on the conductanceof a quasi-one-dimensional system // Physical ReviewB. 2004.
  2. Quay C.H.L., Hughes T.L., Sulpizio J.A., Pfeiffer L.N., Baldwin K.W., West K.W., Goldhaber-Gordon1 D., Picciotto R. de. Observation of a one-dimensional spin–orbit gap in a quantum wire // Nature Physics. 2010. V. 6.

June 24, 2020
May 29, 2020

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