Rashba spin-splitting of single electrons and Cooper pairs

R. I. Shekhter, O. Entin-Wohlman, M. Jonson, A. Aharony

Research output: Contribution to journalArticlepeer-review

8 Scopus citations


Electric weak links, the term used for those parts of an electrical circuit that provide most of the resistance against the flow of an electrical current, are important elements of many nanodevices. Quantum dots, nanowires and nano-constrictions that bridge two bulk conductors (or superconductors) are examples of such weak links. Here we consider nanostructures where the electronic spin-orbit interaction is strong in the weak link but is unimportant in the bulk conductors, and explore theoretically the role of the spin-orbit active weak link (which we call a "Rashba spin splitter") as a source of new spin-based functionality in both normal and superconducting devices. Some recently predicted phenomena, including mechanically-controlled spin- and charge currents as well as the effect of spin polarization of superconducting Cooper pairs, are reviewed.

Original languageEnglish
Pages (from-to)368-386
Number of pages19
JournalFizika Nizkikh Temperatur
Issue number2
StatePublished - Feb 2017


  • Electric weak link
  • Josephson effect
  • Rashba spin splitter
  • Spin-orbit interaction


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