Anomalous magnetic hysteresis in the microwave surface resistance of MgB2 superconductor

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dc.creatorGallitto, A. Agliolo
dc.creatorBonura, M.
dc.creatorVigni, M. Li
dc.date2007-09-06
dc.date.accessioned2026-07-07T09:45:28Z
dc.date.available2026-07-07T09:45:28Z
dc.descriptionWe report experimental results of the field-induced variations of the microwave surface resistance in samples of MgB2, produced by different methods. By sweeping the DC magnetic field at increasing and decreasing values, we have detected a magnetic hysteresis that can be ascribed to the different magnetic induction, due to the critical state of the fluxon lattice. The hysteresis observed in the bulk samples has an unusual shape, which cannot be justified in the framework of the critical-state models.
dc.description8 pages, 4 embedded eps figures; Proceedings of the 8th EUCAS Conference (16-20 September 2007, Brussels - Belgium)
dc.identifierhttps://arxiv.org/abs/0709.0840
dc.identifierhttp://arxiv.org/abs/0709.0840
dc.identifierJ. Phys.: Conf. Ser. 97 (2008) 012207
dc.identifierdoi:10.1088/1742-6596/97/1/012207
dc.identifier.urihttp://salesiana.dossiersoluciones.com/handle/123456789/163202
dc.subjectSuperconductivity
dc.titleAnomalous magnetic hysteresis in the microwave surface resistance of MgB2 superconductor
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