The role of g-wave pairing and Josephson tunneling in high-Tc cuprate superconductors

P. V. Shevchenko*, O. P. Sushkov

*Corresponding author for this work

Research output: Contribution to journalArticlepeer-review

4 Citations (Scopus)


The implications of the two-pocket Fermi surface for macroscopic quantum phenomena are considered. We demonstrate that in the case of the two-pocket Fermi surface the g-wave pairing is closely related to the d-wave one. This system can be described in terms of two almost degenerate superconducting condensates. As a result a new spatial scale lγ, much larger than the superconducting correlation length ξ, arises. The Josephson tunneling for such two-component system has very special properties. We prove that the presence of the g-wave does not contradict the existing SQUID experimental data on tunneling in the ab-plane. We also discuss the possible ways to experimentally reveal the g-wave component in a single tunnel junction as well as in SQUID experiments.

Original languageEnglish
Pages (from-to)292-303
Number of pages12
JournalPhysica C: Superconductivity and its Applications
Issue number3-4
Publication statusPublished - 1 Feb 1998
Externally publishedYes


  • Condensates
  • Cuprate superconductors
  • Josephson tunneling


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