Delocalized quasiparticles throughout the vortex state in s-wave superconductor LuNi_2B_2C

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dc.creatorBoaknin, Etienne
dc.creatorHill, R. W.
dc.creatorProust, Cyril
dc.creatorLupien, C.
dc.creatorTaillefer, Louis
dc.creatorCanfield, P. C.
dc.date2000-12-22
dc.date.accessioned2026-07-07T02:39:52Z
dc.date.available2026-07-07T02:39:52Z
dc.descriptionQuasiparticle transport in the vortex state of an s-wave superconductor at T -> 0 was investigated by measuring the thermal conductivity of LuNi_2B_2C down to 70 mK in a magnetic field perpendicular to the heat current. In zero field, there is no electronic conduction, as expected for a superconducting gap without nodes. However, as soon as vortices enter the sample quasiparticles are seen to conduct remarkably well, even better than they would in a typical d-wave superconductor. This is in stark conflict with the widely held view that quasiparticle states in s-wave superconductors just above H_{c1} should be localized and bound to the vortex core.
dc.description5 pages, 3 figures
dc.identifierhttps://arxiv.org/abs/cond-mat/0012436
dc.identifierhttp://arxiv.org/abs/cond-mat/0012436
dc.identifier.urihttp://salesiana.dossiersoluciones.com/handle/123456789/17185
dc.subjectSuperconductivity
dc.titleDelocalized quasiparticles throughout the vortex state in s-wave superconductor LuNi_2B_2C
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