Giant proximity effect in a phase-fluctuating superconductor

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dc.creatorMarchand, D.
dc.creatorCovaci, L.
dc.creatorBerciu, M.
dc.creatorFranz, M.
dc.date2007-10-29
dc.date2008-08-13
dc.date.accessioned2026-07-07T10:15:32Z
dc.date.available2026-07-07T10:15:32Z
dc.descriptionWhen a tunneling barrier between two superconductors is formed by a normal material that would be a superconductor in the absence of phase fluctuations, the resulting Josephson effect can undergo an enormous enhancement. We establish this novel proximity effect by a general argument as well as a numerical simulation and argue that it may underlie recent experimental observations of the giant proximity effect between two cuprate superconductors separated by a barrier made of the same material rendered normal by severe underdoping.
dc.description4 pages, 3 figures; version to appear in PRL (results of simulations in 3d added). For related work and info visit http://www.physics.ubc.ca/~franz
dc.identifierhttps://arxiv.org/abs/0710.5546
dc.identifierhttp://arxiv.org/abs/0710.5546
dc.identifierPhys. Rev. Lett. 101, 097004 (2008)
dc.identifierdoi:10.1103/PhysRevLett.101.097004
dc.identifier.urihttp://salesiana.dossiersoluciones.com/handle/123456789/173201
dc.subjectSuperconductivity
dc.subjectStrongly Correlated Electrons
dc.titleGiant proximity effect in a phase-fluctuating superconductor
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