Temperature dependence of the magnetic penetration depth in the high-Tc superconductor Ba2YCu3O9-: Evidence for conventional s-wave pairing

D. R. Harshman, G. Aeppli, E. J. Ansaldo, B. Batlogg, J. H. Brewer, J. F. Carolan, R. J. Cava, M. Celio, A. C.D. Chaklader, W. N. Hardy, S. R. Kreitzman, G. M. Luke, D. R. Noakes, M. Senba

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Abstract

Transverse-field muon-spin-relaxation (SR) measurements have been performed on Ba2YCu3O9-=2.1"0.05) above and below its superconducting transition temperature. The temperature dependence of the magnetic penetration depth, deduced from the SR data, is that of an ordinary s-wave (not d-wave with nodes in the gap function) superconductor. The data at 6 K indicate a magnetic penetration depth of 1400 which, in the limit of extreme anisotropy, reduces to 1065.

Original languageEnglish (US)
Pages (from-to)2386-2389
Number of pages4
JournalPhysical Review B
Volume36
Issue number4
DOIs
StatePublished - Jan 1 1987
Externally publishedYes

All Science Journal Classification (ASJC) codes

  • Condensed Matter Physics

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    Harshman, D. R., Aeppli, G., Ansaldo, E. J., Batlogg, B., Brewer, J. H., Carolan, J. F., Cava, R. J., Celio, M., Chaklader, A. C. D., Hardy, W. N., Kreitzman, S. R., Luke, G. M., Noakes, D. R., & Senba, M. (1987). Temperature dependence of the magnetic penetration depth in the high-Tc superconductor Ba2YCu3O9-: Evidence for conventional s-wave pairing. Physical Review B, 36(4), 2386-2389. https://doi.org/10.1103/PhysRevB.36.2386