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

Research output: Contribution to journal › Article › peer-review

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.

Original language	English
Article number	005
Pages (from-to)	242-248
Number of pages	7
Journal	Superconductor Science and Technology
Volume	1
Issue number	5
DOIs	https://doi.org/10.1088/0953-2048/1/5/005
Publication status	Published - 1 Dec 1989
Externally published	Yes

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title = "Thermally assisted flux flow at small driving forces",

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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AU - Kes, P. H.

AU - Aarts, J.

AU - Van Den Berg, J.

AU - Van Der Beek, C. J.

AU - Mydosh, J. A.

PY - 1989/12/1

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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.

U2 - 10.1088/0953-2048/1/5/005

DO - 10.1088/0953-2048/1/5/005

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JO - Superconductor Science and Technology

JF - Superconductor Science and Technology

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Thermally assisted flux flow at small driving forces

Abstract

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