Reentrance of the induced diamagnetism in gold-niobium proximity cylinders

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dc.creatorMueller-Allinger, F. Bernd
dc.creatorMota, Ana Celia
dc.date2000-07-21
dc.date.accessioned2026-07-07T02:38:16Z
dc.date.available2026-07-07T02:38:16Z
dc.descriptionWe discuss the magnetic response of gold-niobium proximity cylinders in the temperature range 100 μK<T<9 K. The temperature dependence of the susceptibility in the diamagnetic regime is described well by the quasiclassical Eilenberger theory including an elastic mean-free path l. In the mesoscopic regime, the temperature dependence of the reentrant paramagnetic susceptibility χ_para(T) \propto \exp[-L/3ξ^d_N(T)] is governed by the dirty limit coherence length ξ^d_N(T)=\sqrt{1/3ξ_N l_N}, with ξ_N the clean limit coherence length obtained from breakdown field measurements and l_N the measured mean-free path in the gold layer. At T=100 μK, χ_para compensates about 1/5 of the induced diamagnetic susceptibility in gold.
dc.description4 pages, 4 figures
dc.identifierhttps://arxiv.org/abs/cond-mat/0007331
dc.identifierhttp://arxiv.org/abs/cond-mat/0007331
dc.identifier.urihttp://salesiana.dossiersoluciones.com/handle/123456789/16608
dc.subjectMesoscale and Nanoscale Physics
dc.subjectSuperconductivity
dc.titleReentrance of the induced diamagnetism in gold-niobium proximity cylinders
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