Multicomponent order parameter and penetration depth of YBCO single crystals

Yu. A. Nefyodov, Alexandre Avraamovitch Golubov, M.R. Trunin, M.T. Béal-Monod

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We have analyzed the possible temperature variation of the penetration depth λ(T) in the (d+s)-wave superconductivity model of hybrid pairing, which accounts for the high Tc cuprates with an orthorhombic distortion. The slope of the Δλ(T)∝T for TTc and its dependence on the Δs/Δd admixture in the gap function is analyzed quantitatively. The impurity scattering is taken into account. Recent measurements of the penetration depth in YBa2Cu3O6.95 single crystals are discussed in terms of this model.
Original languageUndefined
Pages (from-to)919-920
JournalPhysica B
Issue numberPart 1
Publication statusPublished - 2000


  • Anisotropy
  • IR-74384
  • Microwave surface impedance
  • Penetration depth
  • YBaCuO
  • Order parameter
  • Mixed symmetry

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