Channel flux-antiflux instability in type-II superconductors

E. E. Dvash; B. Ya Shapiro; I. Shapiro

doi:10.1016/j.physc.2012.10.008

Channel flux-antiflux instability in type-II superconductors

E. E. Dvash
, B. Ya Shapiro
, I. Shapiro

Department of Physics - at Bar-Ilan University

Bar-Ilan University

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

Abstract

The mechanism of instability of flux-antiflux front in one dimensional channels in superconductors is presented. We study the thermal-magnetic instability in these channels and found the conditions of the front stability for various temperatures and heating parameters. We calculate the voltage-current characteristics and predict that heat released by the vortex-antivortex annihilations enhances the instability and results in step-like shape of the voltage-current characteristics.

Original language	English
Pages (from-to)	1-5
Number of pages	5
Journal	Physica C: Superconductivity and its Applications
Volume	485
DOIs	https://doi.org/10.1016/j.physc.2012.10.008
State	Published - 14 Feb 2013

Keywords

Channels in granular superconductors
Voltage-current characteristics
Vortex-antivortex instability

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10.1016/j.physc.2012.10.008

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abstract = "The mechanism of instability of flux-antiflux front in one dimensional channels in superconductors is presented. We study the thermal-magnetic instability in these channels and found the conditions of the front stability for various temperatures and heating parameters. We calculate the voltage-current characteristics and predict that heat released by the vortex-antivortex annihilations enhances the instability and results in step-like shape of the voltage-current characteristics.",

keywords = "Channels in granular superconductors, Voltage-current characteristics, Vortex-antivortex instability",

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AU - Shapiro, I.

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N2 - The mechanism of instability of flux-antiflux front in one dimensional channels in superconductors is presented. We study the thermal-magnetic instability in these channels and found the conditions of the front stability for various temperatures and heating parameters. We calculate the voltage-current characteristics and predict that heat released by the vortex-antivortex annihilations enhances the instability and results in step-like shape of the voltage-current characteristics.

AB - The mechanism of instability of flux-antiflux front in one dimensional channels in superconductors is presented. We study the thermal-magnetic instability in these channels and found the conditions of the front stability for various temperatures and heating parameters. We calculate the voltage-current characteristics and predict that heat released by the vortex-antivortex annihilations enhances the instability and results in step-like shape of the voltage-current characteristics.

KW - Channels in granular superconductors

KW - Voltage-current characteristics

KW - Vortex-antivortex instability

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JO - Physica C: Superconductivity and its Applications

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ER -

Channel flux-antiflux instability in type-II superconductors

Abstract

Keywords

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