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Barness, D.; Efraim, Yael; Taitelbaum, Haim; Sinvani, M.; Shaulov, A.; Yeshurun, Y.

doi:10.1103/physrevb.85.174516

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2017

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“…The values of α and β in different universality classes are given in Table 1. [24] 0.5 0.5 0.25 0.3 qKPZ [29] (…”

Section: Introductionmentioning

confidence: 99%

Edge Contamination, Bulk Disorder, Flux Front Roughening, and Multiscaling in Type II Superconducting Thin Films

et al. 2017

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Abstract:We have investigated the effect of different types of disorder on the propagation, roughness, and scaling properties of magnetic flux fronts in a type II superconductor. A progression from the usual (Kardar-Parisi-Zhang-type) scaling to multiscaling is observed as the disorder strength is increased. A hierarchy of disorder strengths is established for YBa 2 Cu 3 O 7−δ thin films. The results cast light on the physical origin of the roughening of flux fronts, and they are of interest for the design and elimination of flux noise in microscopic superconducting thin-film devices.

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“…The values of α and β in different universality classes are given in Table 1. [24] 0.5 0.5 0.25 0.3 qKPZ [29] (…”

Section: Introductionmentioning

confidence: 99%

Edge Contamination, Bulk Disorder, Flux Front Roughening, and Multiscaling in Type II Superconducting Thin Films

et al. 2017

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Emulating rough flux patterns in type-II superconducting cylinders using the elliptic critical-state model

Romero-Salazar

Hernández-Flores

Chumak

et al. 2017

Journal of Applied Physics

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We emulate rough magnetic flux fronts and induction contours in a long hard type-II superconducting cylinder, using the elliptic critical-state model. Specifically, using a current density with spatial periodicity we perform numerical calculations to obtain magnetic induction distributions of the sample in screened and trapped flux regimes. We found that tuning the parameters of our model, it is possible to achieve different roughening levels at the flux front as well as at the flux profiles behind it, complex current circulation paths, the formation of Meissner state islands or cavities, and the so-called remagnetization fronts.

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Kinetic roughening of magnetic flux fronts in Bi2Sr2CaCu2O
D. Barness
¹
,
Yael Efraim
²
,
Haim Taitelbaum
³

et al.

Cited by 2 publications

References 46 publications

Edge Contamination, Bulk Disorder, Flux Front Roughening, and Multiscaling in Type II Superconducting Thin Films

Edge Contamination, Bulk Disorder, Flux Front Roughening, and Multiscaling in Type II Superconducting Thin Films

Emulating rough flux patterns in type-II superconducting cylinders using the elliptic critical-state model

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Kinetic roughening of magnetic flux fronts in Bi2Sr2CaCu2OD. Barness1, Yael Efraim2, Haim Taitelbaum3 et al.

Cited by 2 publications

References 46 publications

Edge Contamination, Bulk Disorder, Flux Front Roughening, and Multiscaling in Type II Superconducting Thin Films

Edge Contamination, Bulk Disorder, Flux Front Roughening, and Multiscaling in Type II Superconducting Thin Films

Emulating rough flux patterns in type-II superconducting cylinders using the elliptic critical-state model

Contact Info

Product

Resources

About

Kinetic roughening of magnetic flux fronts in Bi2Sr2CaCu2O
D. Barness
¹
,
Yael Efraim
²
,
Haim Taitelbaum
³

et al.