Identification of Coulomb blockade and macroscopic quantum tunneling by noise

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dc.creatorGrabert, Hermann
dc.creatorIngold, Gert-Ludwig
dc.date2002-02-26
dc.date.accessioned2026-07-07T02:44:32Z
dc.date.available2026-07-07T02:44:32Z
dc.descriptionThe effects of Macroscopic Quantum Tunneling (MQT) and Coulomb Blockade (CB) in Josephson junctions are of considerable significance both for the manifestations of quantum mechanics on the macroscopic scale and potential technological applications. These two complementary effects are shown to be clearly distinguishable from the associated noise spectra. The current noise is determined exactly and a rather sharp crossover between flux noise in the MQT and charge noise in the CB regions is found as the applied voltage is changed. Related results hold for the voltage noise in current-biased junctions.
dc.description6 pages, 3 figures, epl.cls included
dc.identifierhttps://arxiv.org/abs/cond-mat/0202460
dc.identifierhttp://arxiv.org/abs/cond-mat/0202460
dc.identifierEurophys. Lett. 58, 429 (2002)
dc.identifierdoi:10.1209/epl/i2002-00657-1
dc.identifier.urihttp://salesiana.dossiersoluciones.com/handle/123456789/18962
dc.subjectMesoscale and Nanoscale Physics
dc.subjectSuperconductivity
dc.titleIdentification of Coulomb blockade and macroscopic quantum tunneling by noise
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