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

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arxiv cond-mat/9704184 v3 pith:YE4JRKLV submitted 1997-04-22 cond-mat.supr-con

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

classification cond-mat.supr-con
keywords vortexd-waveflux-flowlimitscalingsupercleansuperconductorsappear
verification ladder T0 review T1 audit T2 compute T3 formal T4 reserved
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We demonstrate that superclean d-wave superconductors 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.

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