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Metastable Resistance States in the Intermediate Region of Superconductors

 

作者: Bogoljub Lalevic,  

 

期刊: Journal of Applied Physics  (AIP Available online 1964)
卷期: Volume 35, issue 6  

页码: 1785-1789

 

ISSN:0021-8979

 

年代: 1964

 

DOI:10.1063/1.1713742

 

出版商: AIP

 

数据来源: AIP

 

摘要:

The present report extends resistance fluctuation studies in the current‐induced intermediate state to the intermediate state induced by the application of an external magnetic field. Evidence for the existence of resistance levels is again found for both directions of the superconducting transition. The resistance levels are interpreted in terms of superconducting domains. The number of levels consequently represents the number of superconducting domains present and the difference &Dgr;Rbetween the two successive resistance levels correspond to a spread of the normal phase over a length &Dgr;lof a specimen. The transition time between two successive resistance levels is identified as the time of collapse of a domain. The observed transition times for soft superconductors are compared with the theory of propagation of a normal phase boundary and some conclusions on the structure of the intermediate state are presented.

 

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