Ring-shaped vortex domain in type-II superconductors

We present results of experiments in superconducting niobium and numerical simulations showing the creation of a metastable ring-shaped vortex domain by heating. Such vortex rings, if pinned by structural defects, can exist forever.

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Bibliographic Details
Published in:Physical review letters 2003-06, Vol.90 (23), p.237004-237004, Article 237004
Main Authors: Gröger, A, Böhm, A, Beyer, U, Shapiro, B Ya, Shapiro, I, Wyder, P
Format: Article
Language:English
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Description
Summary:We present results of experiments in superconducting niobium and numerical simulations showing the creation of a metastable ring-shaped vortex domain by heating. Such vortex rings, if pinned by structural defects, can exist forever.
ISSN:0031-9007
1079-7114
DOI:10.1103/PhysRevLett.90.237004