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Bulk Josephson energies in multi-gap models of high critical temperature superconductors.

Author(s) : VITTORIA C., WIDOM A., JIANG H.

Type of article: Article

Summary

Multi-gap models of high temperature ceramic superconductors have been of considerable recent interest. For the case of a two-gap model, there exists two separate electron pair condensate reservoirs, and a bulk Josephson free energy can be associated with electron pair transitions from one reservoir to the other. Thus, a "Josephson effect" can exist in two-gap models without the requirement of a weak link separating the two electron pair reservoirs in space. A single bulk sample Josephson electron pair free energy is derived from the conventional Bardeen-Cooper-Schrieffer model of the superconducting state.

Details

  • Original title: Bulk Josephson energies in multi-gap models of high critical temperature superconductors.
  • Record ID : 1993-0693
  • Languages: English
  • Source: J. Supercond. - vol. 4 - n. 5
  • Publication date: 1991/10
  • Document available for consultation in the library of the IIR headquarters only.

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