Measurement of the Fundamental Length Scales in the Vortex State of YBa{sub 2}Cu{sub 3}O{sub 6.60}

Journal Article · Wed Oct 01 00:00:00 EDT 1997 · Physical Review Letters

DOI:https://doi.org/10.1103/PhysRevLett.79.2875· OSTI ID:632685

Sonier, J E; Brewer, J H; Kiefl, R F; Bonn, D A; Dunsiger, S R; Hardy, W N; Liang, R; MacFarlane, W A; Miller, R I; Riseman, T M ^[1]; Noakes, D R; Stronach, C E; White, Jr, M F ^[2]

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1. TRIUMF, Canadian Institute for Advanced Research and Department of Physics and Astronomy, University of British Columbia, Vancouver, British Columbia, V6T 1Z1 (CANADA)
2. Department of Physics, Virginia State University, Petersburg, Virginia 23806 (United States)

The internal field distribution in the vortex state of YBa{sub 2}Cu {sub 3}O{sub 6.60} is shown to be a sensitive measure of both the magnetic penetration depth {lambda}{sub ab} and the vortex-core radius {rho}{sub 0} . The temperature dependence of {rho}{sub 0} is found to be weaker than in the conventional superconductor NbSe{sub 2} and much weaker than theoretical predictions for an isolated vortex. The effective vortex-core radius decreases sharply with increasing H , whereas {lambda}{sub ab}(H) is found to be much stronger than in NbSe{sub 2} . {copyright} {ital 1997} {ital The American Physical Society}

• DOE Contract Number: FG05-88ER45353
• OSTI ID: 632685
• Journal Information: Physical Review Letters, Journal Name: Physical Review Letters Journal Issue: 15 Vol. 79; ISSN 0031-9007; ISSN PRLTAO
• Country of Publication: United States
• Language: English

Related Subjects

36 MATERIALS SCIENCE
BARIUM OXIDES
COPPER OXIDES
HIGH-TC SUPERCONDUCTORS
MAGNETIC FLUX
MUON SPIN RELAXATION
PENETRATION DEPTH
TEMPERATURE DEPENDENCE
VORTICES
YTTRIUM OXIDES