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 language | English |
|---|---|
| Pages (from-to) | 1377-1380 |
| Journal | Physical Review Letters |
| Volume | 79 |
| Issue number | 7 |
| DOIs | |
| Publication status | Published - 1997 |
| MoE publication type | A1 Journal article-refereed |
Keywords
- superconductivity
- vortex dynamics