Electronic Instability at High Flux-Flow Velocities in High-Tc Superconducting Films

S. G. Doettinger, R. P. Huebener, R. Gerdemann, Anders Kyhle, S. Anders, T. G. Träuble, J. C. Villégier

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Abstract

At high flux-flow velocities in type-II superconductors the nonequilibrium distribution of the quasiparticles leads to an electronic instability and an aburpt switching into a state with higher electric resistivity, as predicted by Larkin and Ovchinnikow (LO). We report the first obervation of this effect in a high-temperature superconductor, namely in epitaxial c-axis oriented films of YBa(2)Cu3O(7)-(delta). Using the LO therory, we have extracted from out results the inelastic quasiparticle scattering rare tau(in)(-1), which strongly decreases with decreasing temperature below T-c
Original languageEnglish
JournalPhysical Review Letters
Volume73
Issue number12
Pages (from-to)1691-1694
ISSN0031-9007
DOIs
Publication statusPublished - 1994

Bibliographical note

Copyright (1994) by the American Physical Society.

Keywords

  • CONDUCTIVITY
  • QUASI-PARTICLE SCATTERING
  • YBA2CU3O7-X

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