1995/09/26 by N. B. Kopnin, G. E. Volovik, Ü. Parts · 4 citations
Physics and Astronomy · #Cold Atom Physics and Bose-Einstein Condensates #Physics of Superconductivity and Magnetism #Quantum, superfluid, helium dynamics #cond-mat #hep-th
paper · pdf · doi:10.1209/0295-5075/32/8/006
published as Europhys.Lett.32:651,1995 · 6 pages, RevTEX file, Ps figures upon request, available at http://boojum.hut.fi/abstracts/lowtemp/LTL-95003.html or ftp://boojum.hut.fi/pub/publications/lowtemp/Kopnin.ps
arxiv created 1995/09/26 · openalex publication_date 1995/12/10 · arxiv updated 2010/12/17 · openalex created_date 2016/06/24 · openalex updated_date 2026/07/30
A non-dissipative force F nd acting on a vortex in Fermi superfluids and superconductors is calculated taking into account the spectral flow of fermion zero modes in the vortex core. The spectral-flow effect casts a new light on the problem of mutual friction in superfluids. We demonstrate that, for vortices in an isotropic system, the reactive mutual friction parameter D ' ( T ) is negative in the collisionless regime and it is positive in the hydrodynamic regime. This agrees with 3 He-B measurements, which thus give the experimental verification of the spectral-flow effect on the vortex dynamics.