Temperature dependent third cumulant of tunneling noise

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dc.creatorBeenakker, C. W. J.
dc.creatorKindermann, M.
dc.creatorNazarov, Yu. V.
dc.date2003-01-24
dc.date.accessioned2026-07-07T02:49:20Z
dc.date.available2026-07-07T02:49:20Z
dc.descriptionPoisson statistics predicts that the shot noise in a tunnel junction has a temperature independent third cumulant e^2\I, determined solely by the mean current I. Experimental data, however, show a puzzling temperature dependence. We demonstrate theoretically that the third cumulant becomes strongly temperature dependent and may even change sign as a result of feedback from the electromagnetic environment. In the limit of a noninvasive (zero-impedance) measurement circuit in thermal equilibrium with the junction, we find that the third cumulant crosses over from e^2/I at low temperatures to -e^2/I at high temperatures.
dc.description4 pages including 2 figures
dc.identifierhttps://arxiv.org/abs/cond-mat/0301476
dc.identifierhttp://arxiv.org/abs/cond-mat/0301476
dc.identifierPhys.Rev.Lett. 90, 176802 (2003)
dc.identifierdoi:10.1103/PhysRevLett.90.176802
dc.identifier.urihttp://salesiana.dossiersoluciones.com/handle/123456789/20754
dc.subjectMesoscale and Nanoscale Physics
dc.titleTemperature dependent third cumulant of tunneling noise
dc.typetext

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