Anisotropic critical fields of MgB2 single crystals

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dc.creatorDahm, T.
dc.creatorPosazhennikova, A. I.
dc.creatorMaki, K.
dc.date2002-07-22
dc.date.accessioned2026-07-07T02:46:24Z
dc.date.available2026-07-07T02:46:24Z
dc.descriptionThe recently discovered superconductivity in MgB2 has created the world sensation. In spite of the relatively high superconducting transition temperature Tc=39K, the superconductivity is understood in terms of rare two gap superconductor with energy gaps attached to the sigma- and pi-band. However, this simple model cannot describe the temperature dependent anisotropy in H_c2 or the temperature dependence of the anisotropic magnetic penetration depth. Here we propose a model with two anisotropic energy gaps with different shapes. Indeed the present model describes a number of pecularities of MgB2 which have been revealed only recently through single crystal MgB2.
dc.description4 pages, 1 figure, to appear in Acta Physica Polonica B, proceedings of the International Conference on Strongly Correlated Electron Systems, SCES2002, Krakow, Poland
dc.identifierhttps://arxiv.org/abs/cond-mat/0207521
dc.identifierhttp://arxiv.org/abs/cond-mat/0207521
dc.identifierActa Physica Polonica B 34, 549 (2003)
dc.identifier.urihttp://salesiana.dossiersoluciones.com/handle/123456789/19654
dc.subjectSuperconductivity
dc.titleAnisotropic critical fields of MgB2 single crystals
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