Premium
Unstable Domain Structure in the Intermediate State of Superconductors
Author(s) -
Lalevic B.
Publication year - 1965
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.19650090107
Subject(s) - metastability , condensed matter physics , superconductivity , magnetic field , constant (computer programming) , boundary (topology) , physics , domain (mathematical analysis) , intermediate state , current (fluid) , materials science , field (mathematics) , thermodynamics , mathematics , atomic physics , mathematical analysis , quantum mechanics , computer science , pure mathematics , programming language
Measurements of resistance fluctuations, metastable resistance levels, and related parameters have been extended to the case of the intermediate state of a specimen carrying a variable current in a constant external magnetic field. The origin of peculiar peaks in the plots of relative changes of resistance Δ R/R is now clarified and related to metastable resistance levels. The influence of specimen current on the shape of the resistance vs. external magnetic field plot is explained on the basis of the present measurements. From a comparison of these and previously obtained data with the theory of domain boundary propagation, the conditions for the occurence of domain boundary instabilities are derived and a mechanism responsible for the appearance of resistance fluctuations is discussed.