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Vortex viscosity in the moderately clean limit of layered superconductors
2003
Physical Review B (Condensed Matter)
We present a microscopic calculation of the energy dissipation in the core of a vortex moving in a two-dimensional or layered superconductor in the moderately clean regime. In this regime, the quasiclassical Bardeen--Stephen result remains valid in spite of the strong correlations between the energy levels. We find that the quasiclassical expression applies both in the limit of fast vortex motion (with transitions between smeared levels) and in the limit of slow vortex motion (with nearly
doi:10.1103/physrevb.67.014521
fatcat:cn2h5kqssnghvf3qo2zib3yafm