dorsal/arxiv
View SchemaSelf-Organized Criticality Effect on Stability: Magneto-Thermal Oscillations in a Granular YBCO Superconductor
| Authors | L. Legrand, I. Rosenman, R. G. Mints, G. Collin |
|---|---|
| Categories | |
| ArXiv ID | supr-con/9503001 |
| URL | https://arxiv.org/abs/supr-con/9503001 |
| DOI | 10.1209/epl/i1996-00452-6 |
| Journal | Europhys. Lett. 34, 287 (1996) |
Abstract
We show that the self-organized criticality of the Bean's state in each of the grains of a granular superconductor results in magneto-thermal oscillations preceding a series of subsequent flux jumps. We find that the frequency of these oscillations is proportional to the external magnetic field sweep rate and is inversely proportional to the square root of the heat capacity. We demonstrate experimentally and theoretically the universality of this dependence that is mainly influenced by the granularity of the superconductor.
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"abstract": "We show that the self-organized criticality of the Bean\u0027s state in each of\nthe grains of a granular superconductor results in magneto-thermal oscillations\npreceding a series of subsequent flux jumps. We find that the frequency of\nthese oscillations is proportional to the external magnetic field sweep rate\nand is inversely proportional to the square root of the heat capacity. We\ndemonstrate experimentally and theoretically the universality of this\ndependence that is mainly influenced by the granularity of the superconductor.",
"arxiv_id": "supr-con/9503001",
"authors": [
"L. Legrand",
"I. Rosenman",
"R. G. Mints",
"G. Collin"
],
"categories": [
"supr-con",
"cond-mat.supr-con"
],
"doi": "10.1209/epl/i1996-00452-6",
"journal_ref": "Europhys. Lett. 34, 287 (1996)",
"title": "Self-Organized Criticality Effect on Stability: Magneto-Thermal Oscillations in a Granular YBCO Superconductor",
"url": "https://arxiv.org/abs/supr-con/9503001"
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