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Carrier relaxation time divergence in single and double layer cuprates

Author

Listed:
  • M. Schneider
  • S. Rast
  • M. Onellion
  • J. Demsar
  • A. Taylor
  • Y. Glinka
  • N. Tolk
  • Y. Ren
  • G. Lüpke
  • A. Klimov
  • Y. Xu
  • R. Sobolewski
  • W. Si
  • X. Zeng
  • A. Soukiassian
  • X. Xi
  • M. Abrecht
  • D. Ariosa
  • D. Pavuna
  • A. Krapf
  • R. Manzke
  • J. Printz
  • M. Williamsen
  • K. Downum
  • P. Guptasarma
  • I. Bozovic

Abstract

We report the transient optical pump-probe reflectivity measurements on single and double layer cuprate single crystals and thin films of ten different stoichiometries. We find that with sufficiently low fluence the relaxation time ( $\tau_{R})$ of all samples exhibits a power law divergence with temperature $(T): \tau_{R} \propto T^{-3 \pm 0.5}$ . Further, the divergence has an onset temperature above the superconducting transition temperature for all superconducting samples. Possible causes of this divergence are discussed. Copyright Springer-Verlag Berlin/Heidelberg 2003

Suggested Citation

  • M. Schneider & S. Rast & M. Onellion & J. Demsar & A. Taylor & Y. Glinka & N. Tolk & Y. Ren & G. Lüpke & A. Klimov & Y. Xu & R. Sobolewski & W. Si & X. Zeng & A. Soukiassian & X. Xi & M. Abrecht & D. , 2003. "Carrier relaxation time divergence in single and double layer cuprates," The European Physical Journal B: Condensed Matter and Complex Systems, Springer;EDP Sciences, vol. 36(3), pages 327-334, December.
    • Handle: RePEc:spr:eurphb:v:36:y:2003:i:3:p:327-334
    DOI: 10.1140/epjb/e2003-00351-8
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