Temperature dependence of the magnetic penetration depth in YBa2Cu3O7 measured by muon spin rotation

R. F. Kiefl, T. M. Riseman, G. Aeppli, E. J. Ansaldo, J. F. Carolan, R. J. Cava, W. N. Hardy, D. R. Harshman, N. Kaplan, J. R. Kempton, S. R. Kreitzman, G. M. Luke, B. X. Yang, D. Ll Williams

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Abstract

We report an improved measurement of the temperature dependence of the magnetic penetration depth in sintered YBa2Cu3O77 using muon spin rotation. The effective isotropic average of the magnetic penetration depth (λ) is estimated from the second moment of the field distribution in the vortex state in an external field of 15kG. The low temperature behaviour of λ is still consistent with an s-wave pairing mechanism although there are deviations from the conventional BCS-like behaviour for T/Tc > 0.2.

Original languageEnglish (US)
Pages (from-to)757-758
Number of pages2
JournalPhysica C: Superconductivity and its applications
Volume153-155
Issue numberPART 2
DOIs
StatePublished - 1988
Externally publishedYes

All Science Journal Classification (ASJC) codes

  • Electronic, Optical and Magnetic Materials
  • Condensed Matter Physics
  • Energy Engineering and Power Technology
  • Electrical and Electronic Engineering

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    Kiefl, R. F., Riseman, T. M., Aeppli, G., Ansaldo, E. J., Carolan, J. F., Cava, R. J., Hardy, W. N., Harshman, D. R., Kaplan, N., Kempton, J. R., Kreitzman, S. R., Luke, G. M., Yang, B. X., & Williams, D. L. (1988). Temperature dependence of the magnetic penetration depth in YBa2Cu3O7 measured by muon spin rotation. Physica C: Superconductivity and its applications, 153-155(PART 2), 757-758. https://doi.org/10.1016/S0921-4534(88)80073-X