Thermally assisted flux flow at small driving forces

P. H. Kes; J. Aarts; J. Van Den Berg; C. J. Van Der Beek; J. A. Mydosh

doi:10.1088/0953-2048/1/5/005

Thermally assisted flux flow at small driving forces

P. H. Kes
, J. Aarts
, J. Van Den Berg
, C. J. Van Der Beek
, J. A. Mydosh

Universiteit Leiden

Résultats de recherche: Contribution à un journal › Article › Revue par des pairs

542 Citations (Scopus)

Résumé

The theory for thermally assisted flux flow (TAFF) in the limit of small driving forces is used to derive exact expressions for the time-dependent behaviour of the magnetisation and permeability. The problem is especially relevant for the high-temperature superconductors where large variations of the transition temperature in small DC fields are observed as a function of the frequency of the probing AC field. The parameters of the theory are extensively discussed in relation to the present understanding of flux pinning.

langue originale	Anglais
Numéro d'article	005
Pages (de - à)	242-248
Nombre de pages	7
journal	Superconductor Science and Technology
Volume	1
Numéro de publication	5
Les DOIs	https://doi.org/10.1088/0953-2048/1/5/005
état	Publié - 1 janv. 1989
Modification externe	Oui

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10.1088/0953-2048/1/5/005

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abstract = "The theory for thermally assisted flux flow (TAFF) in the limit of small driving forces is used to derive exact expressions for the time-dependent behaviour of the magnetisation and permeability. The problem is especially relevant for the high-temperature superconductors where large variations of the transition temperature in small DC fields are observed as a function of the frequency of the probing AC field. The parameters of the theory are extensively discussed in relation to the present understanding of flux pinning.",

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AB - The theory for thermally assisted flux flow (TAFF) in the limit of small driving forces is used to derive exact expressions for the time-dependent behaviour of the magnetisation and permeability. The problem is especially relevant for the high-temperature superconductors where large variations of the transition temperature in small DC fields are observed as a function of the frequency of the probing AC field. The parameters of the theory are extensively discussed in relation to the present understanding of flux pinning.

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Thermally assisted flux flow at small driving forces

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