Anomalous electromagnetic properties of cuprate superconductors

Serhii Shafranjuk*

*Corresponding author for this work

Research output: Contribution to journalArticlepeer-review

Abstract

The tunneling interaction between two layers i and j leads to a finite coupling J between the condensate's orbital momenta li and lj. We compute the coupling between li and lj versus the external field applied to the sample. We obtain that an external field may influence J drastically, affecting its magnitude and even sign. If the sign of J is reversed, one may achieve an antiparallel orientation of li in the adjacent superconducting layers. It leads to the formation of intrinsic π-junctions inside the cuprate single crystals samples and is capable to explain the anomalous low-temperature bending-up of the ac conductivity observed in experiments.

Original languageEnglish (US)
Pages (from-to)38-42
Number of pages5
JournalPhysica C: Superconductivity and its applications
Volume362
Issue number1-4
DOIs
StatePublished - Sep 1 2001

Keywords

  • Cuprate superconductors
  • L-flop transitions
  • c-axis conductivity
  • d-symmetry

ASJC Scopus subject areas

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

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