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Flux spiral instability in a transport current carrying type‐II superconductor
Author(s) -
Shehata L. N.,
Saif A. G.
Publication year - 1986
Publication title -
physica status solidi (b)
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 0.51
H-Index - 109
eISSN - 1521-3951
pISSN - 0370-1972
DOI - 10.1002/pssb.2221350139
Subject(s) - flux (metallurgy) , superconductivity , type ii superconductor , magnetic flux , vortex , physics , condensed matter physics , current (fluid) , magnetic field , spiral (railway) , instability , flux pinning , nucleation , cylinder , flux pumping , mechanics , critical current , materials science , high temperature superconductivity , geometry , thermodynamics , metallurgy , mathematical analysis , mathematics , quantum mechanics
Abstract The nucleation of vortex flux lines on a surface of a transport current carrying type II superconductor in the presence of an external magnetic field H e occurs at H e ˜ H cl , the first critical field. A spiral flux line in a long cylinder and in a long thin ellipsoid is investigated. In the latter case the force‐free magnetic fields are also considered.