Field induced reduction of the low–temperature superfluid density in YBa2Cu3O6.95

J. E. Sonier, J. H. Brewer, R. F. Kiefl, G. D. Morris, R. I. Miller, D. A. Bonn, J. Chakhalian, R. H. Heffner, W. N. Hardy, R. Liang

Research output: Contribution to journalArticlepeer-review

97 Scopus citations

Abstract

A novel high magnetic field (8 T) spectrometer for muon spin rotation has been used to measure the temperature dependence of the in-plane magnetic penetration depth λab in YBa2Cu3O6.95. At low H and low T, λab exhibits the characteristic linear T dependence associated with the energy gap of a dx2 − y2-wave superconductor. However, at higher fields λab is essentially temperature independent at low T. We discuss possible interpretations of this surprising new feature in the low-energy excitation spectrum.

Original languageEnglish (US)
Pages (from-to)4156-4159
Number of pages4
JournalPhysical review letters
Volume83
Issue number20
DOIs
StatePublished - Jan 1 1999

ASJC Scopus subject areas

  • Physics and Astronomy(all)

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