Suppression of magnetic relaxation processes in hard superconductors by a transverse AC magnetic field

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The effect of the transverse AC magnetic field on relaxation process in YBa$_2$Cu$_3$O$_x$ melt-textured superconductor was studied. A factor of 50 suppression of the relaxation rate could be achieved at the expense of some reduction in the maximum trapped field, with the magnetic-induction gradient being unchanged. This phenomenon is interpreted as a result of an increase of the pinning force after the action of the transverse AC magnetic field.
The paper will be submitted to Physical Review Letters

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Superconductivity

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http://salesiana.dossiersoluciones.com/handle/123456789/23111

Consulte el texto completo en el siguiente enlace:

https://arxiv.org/abs/cond-mat/0401239
 http://arxiv.org/abs/cond-mat/0401239

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arXiv