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Strong vortex liquid correlation from multiterminal measurements on untwinned YBa2Cu3O7-delta single crystals
KTH, Superseded Departments, Microelectronics and Information Technology, IMIT.
2001 (English)In: Physical Review Letters, ISSN 0031-9007, Vol. 86, no 9, 1873-1876 p.Article in journal (Refereed) Published
Abstract [en]

Multiterminal transport measurements indicating a strongly correlated vortex liquid above the first order melting transition in untwinned YBa2Cu3O7-delta Single crystals are presented. The correlation is found to be surprisingly stable for different weak variations of point disorder. We investigate the differences between intervortex and intravortex correlations in different contact geometries. The results are in agreement with the local conductivity model, with zero resistivity along straight vortex line segments.

Place, publisher, year, edition, pages
2001. Vol. 86, no 9, 1873-1876 p.
Keyword [en]
order melting transition, phase-diagram, mixed-state, nonlocal conductivity, point disorder, superconductors, bi2sr2cacu2o8+delta, electrodynamics, resistivity, vortices
URN: urn:nbn:se:kth:diva-20393ISI: 000167172400052OAI: diva2:339088
QC 20100525Available from: 2010-08-10 Created: 2010-08-10Bibliographically approved

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Rapp, Östen.
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