Defect-unbinding and the Bose-glass transition in layered superconductors

C. J. van der Beek, M. Konczykowski, A. V. Samoilov, N. Chikumoto, S. Bouffard, M. V. Feigel'man

Research output: Contribution to journalArticlepeer-review

34 Citations (Scopus)

Abstract

In order to shed light on the mechanism of low-field Bose-glass transition, Birr(T) was measured in HII Bi2Sr2CaCu2O8+δ for widely varying track density and oxygen content. In the regime of individual vortex line pinning by columnar defects in a layered superconductor, the upper limit of the transition corresponds to the onset of pancake diffusion between different lines and flux-line entanglement. For both the glass and the vortex liquid phases, only columnar defect sites are available to the pancakes.

Original languageEnglish
Pages (from-to)5136-5139
Number of pages4
JournalPhysical Review Letters
Volume86
Issue number22
DOIs
Publication statusPublished - 28 May 2001
Externally publishedYes

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