dorsal/arxiv
View SchemaFlux Creep and Flux Jumping
| Authors | R. G. Mints |
|---|---|
| Categories | |
| ArXiv ID | supr-con/9506004 |
| URL | https://arxiv.org/abs/supr-con/9506004 |
| DOI | 10.1103/PhysRevB.53.12311 |
| Journal | Phys. Rev. B 53, 12311 (1996) |
Abstract
We consider the flux jump instability of the Bean's critical state arising in the flux creep regime in type-II superconductors. We find the flux jump field, $B_j$, that determines the superconducting state stability criterion. We calculate the dependence of $B_j$ on the external magnetic field ramp rate, $\dot B_e$. We demonstrate that under the conditions typical for most of the magnetization experiments the slope of the current-voltage curve in the flux creep regime determines the stability of the Bean's critical state, {\it i.e.}, the value of $B_j$. We show that a flux jump can be preceded by the magneto-thermal oscillations and find the frequency of these oscillations as a function of $\dot B_e$.
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"abstract": "We consider the flux jump instability of the Bean\u0027s critical state arising in\nthe flux creep regime in type-II superconductors. We find the flux jump field,\n$B_j$, that determines the superconducting state stability criterion. We\ncalculate the dependence of $B_j$ on the external magnetic field ramp rate,\n$\\dot B_e$. We demonstrate that under the conditions typical for most of the\nmagnetization experiments the slope of the current-voltage curve in the flux\ncreep regime determines the stability of the Bean\u0027s critical state, {\\it i.e.},\nthe value of $B_j$. We show that a flux jump can be preceded by the\nmagneto-thermal oscillations and find the frequency of these oscillations as a\nfunction of $\\dot B_e$.",
"arxiv_id": "supr-con/9506004",
"authors": [
"R. G. Mints"
],
"categories": [
"supr-con",
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"doi": "10.1103/PhysRevB.53.12311",
"journal_ref": "Phys. Rev. B 53, 12311 (1996)",
"title": "Flux Creep and Flux Jumping",
"url": "https://arxiv.org/abs/supr-con/9506004"
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