Phase diffusion and charging effects in Josephson junctions

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dc.creatorGrabert, Hermann
dc.creatorIngold, Gert-Ludwig
dc.creatorPaul, Benjamin
dc.date1998-01-16
dc.date.accessioned2026-07-07T03:09:48Z
dc.date.available2026-07-07T03:09:48Z
dc.descriptionThe supercurrent of a Josephson junction is reduced by phase diffusion. For ultrasmall capacitance junctions the current may be further decreased by Coulomb blockade effects. We calculate the Cooper pair current by means of time-dependent perturbation theory to all orders in the Josephson coupling energy and obtain the current-voltage characteristic in closed form in a range of parameters of experimental interest. The results comprehend phase diffusion of the coherent Josephson current in the classical regime as well as the supercurrent peak due to incoherent Cooper pair tunneling in the strong Coulomb blockade regime.
dc.description4 pages, 3 figures, RevTeX
dc.identifierhttps://arxiv.org/abs/cond-mat/9801172
dc.identifierhttp://arxiv.org/abs/cond-mat/9801172
dc.identifierEurophys. Lett. 44, 360-366 (1998)
dc.identifierdoi:10.1209/epl/i1998-00480-8
dc.identifier.urihttp://salesiana.dossiersoluciones.com/handle/123456789/28030
dc.subjectMesoscale and Nanoscale Physics
dc.subjectSuperconductivity
dc.titlePhase diffusion and charging effects in Josephson junctions
dc.typetext

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