Motion of flux lines in nearly pure superconductors
Journal Article
·
· Phys. Rev., B; (United States)
By use of a simple semiphenomenological argument, Sherman and the author showed that in nearly pure superconductors (mean free path large compared with the core radius) at low temperatures, the transport current flows directly through the core of a vortex line without backflow. Expressions they derived for the flux-flow resistivity and Hall angle are nearly identical with those derived later by Larkin and Ovchinnikov (resistivity) and by Kopnin and Kravtsov (Hall angle) using Green's-function methods except for a numerical factor of 4/3. It is shown that this factor comes from a difference in relaxation time between the vortex core and the normal metal.
- Research Organization:
- Department of Physics, University of Illinois at Urbana-Champaign, Urbana, Illinois 61801
- OSTI ID:
- 5166411
- Journal Information:
- Phys. Rev., B; (United States), Journal Name: Phys. Rev., B; (United States) Vol. 17:3; ISSN PLRBA
- Country of Publication:
- United States
- Language:
- English
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