Core states and spectral flow in vortex dynamics

Research output: Contribution to journalConference articlepeer-review


I review the semi-classical picture of how states bound in the core of a vortex in an S-wave superconductor respond to relative motion between the vortex and the condensate. I show how the momentum absorbed as a result of the Magnus force acting on the core leads to a change in the distribution of occupied states ('spectral flow'). In the simplest relaxation time approximation this modified distribution gives rise to the Kopnin-Kravtsov force on the vortex.

Original languageEnglish (US)
Pages (from-to)117-121
Number of pages5
JournalPhysica B: Condensed Matter
Issue number1-4
StatePublished - May 11 2000
Event22nd International Conference on Low Temperature Physics (LT-22) - Helsinki, Finl
Duration: Aug 4 1999Aug 11 1999

ASJC Scopus subject areas

  • Electronic, Optical and Magnetic Materials
  • Condensed Matter Physics
  • Electrical and Electronic Engineering


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