Hyperfine Interactions

, Volume 63, Issue 1–4, pp 139–144 | Cite as

Search for magnetic fields due to anyons in high-T c superconductors

  • R. F. Kiefl
  • J. H. Brewer
  • I. Affleck
  • J. F. Carolan
  • P. Dosanjh
  • W. N. Hardy
  • T. Hsu
  • R. Kadono
  • J. R. Kempton
  • S. R. Kreitzman
  • Q. Li
  • A. H. O'Reilly
  • T. M. Riseman
  • P. Schleger
  • P. C. E. Stamp
  • H. Zhou
  • L. P. Le
  • G. M. Luke
  • B. Sternlieb
  • Y. J. Uemura
  • H. R. Hart
  • K. W. Lay
Superconductivity: Magnetic Penetration Depths Vortex State Anisotropy

Abstract

We have searched for anomalous internal magnetic fields in highT c materials which are predicted to occur in anyon and flux phase models of superconductivity. The magnitude, anisotropy and temperature dependence of the observed fields inc-axis oriented samples of sintered YBa2CuO3O7 and of thick-film Bi2Sr2CaCu2O8 are consistent with a conventional nuclear dipolar origin. An upper limit of ≲0.08 mT is set for any anomalous magnetic fields along thec-axis atμ + sites in bulk CuO2 superconductors.

Keywords

Magnetic Field Thin Film Anisotropy Phase Model Oriented Sample 

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Copyright information

© J.C. Baltzer A.G. Scientific Publishing Company 1990

Authors and Affiliations

  • R. F. Kiefl
    • 1
    • 2
  • J. H. Brewer
    • 1
    • 2
  • I. Affleck
    • 1
    • 2
  • J. F. Carolan
    • 1
    • 2
  • P. Dosanjh
    • 1
    • 2
  • W. N. Hardy
    • 1
    • 2
  • T. Hsu
    • 1
    • 2
  • R. Kadono
    • 1
    • 2
  • J. R. Kempton
    • 1
    • 2
  • S. R. Kreitzman
    • 1
    • 2
  • Q. Li
    • 1
    • 2
  • A. H. O'Reilly
    • 1
    • 2
  • T. M. Riseman
    • 1
    • 2
  • P. Schleger
    • 1
    • 2
  • P. C. E. Stamp
    • 1
    • 2
  • H. Zhou
    • 1
    • 2
  • L. P. Le
    • 3
  • G. M. Luke
    • 3
  • B. Sternlieb
    • 3
  • Y. J. Uemura
    • 3
  • H. R. Hart
    • 4
  • K. W. Lay
    • 4
  1. 1.TRIUMFCanadian Institute for Advanced ResearchVancouverCanada
  2. 2.Department of PhysicsUniv. of British ColumbiaVancouverCanada
  3. 3.Department of PhysicsColumbia Univ.New YorkUSA
  4. 4.G.E. Corporate Research and DevelopmentSchenectadyUSA

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