Current carried by bound states of a superconducting vortex

D. Rainer, J. Sauls

Research output: Contribution to journalArticlepeer-review

68 Scopus citations


We calculate the spectrum of quasiparticle excitations in the core of isolated pancake vortices in clean layered superconductors. We show that both the circular current around the vortex center as well as any transport current through the vortex core is carried by localized states bound to the core by Andreev scattering. Hence the physical properties of the core are governed in clean high-κ superconductors (e.g., the cuprate superconductors) by Andreev bound states, and not by normal electrons as it is the case for traditional (dirty) high-κ superconductors.

Original languageEnglish (US)
Pages (from-to)10094-10106
Number of pages13
JournalPhysical Review B - Condensed Matter and Materials Physics
Issue number14
StatePublished - 1996
Externally publishedYes

ASJC Scopus subject areas

  • Electronic, Optical and Magnetic Materials
  • Condensed Matter Physics


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