Flux flow in d-wave superconductors: Low temperature universality and scaling

N.B. Kopnin, G.E. Volovik

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106 Citations (Scopus)
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Abstract

We demonstrate that superclean d-wave superconductors with Δ2∞τ/EF≫1 display a novel type of vortex dynamics: At low temperatures, both dissipative and transverse components of the flux-flow conductivity are found to approach universal values even in the limit of infinite relaxation time. A finite dissipation in the superclean limit is explained in terms of the Landau damping on zero-frequency vortex modes which appear due to minigap nodes in the bound-state spectrum in the vortex core. In the moderately clean regime the scaling law at low T and low field is obtained.
Original languageEnglish
Pages (from-to)1377-1380
JournalPhysical Review Letters
Volume79
Issue number7
DOIs
Publication statusPublished - 1997
MoE publication typeA1 Journal article-refereed

Keywords

  • superconductivity
  • vortex dynamics

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