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Frequency-dependent third cumulant of current in diffusive conductors

Published in Physical Review. B, Condensed Matter. 2004, vol. 70, no. 045304, p. 8
Abstract We calculate the frequency dispersion of the third cumulant of current in diffusive-metal contacts. The cumulant exhibits a dispersion at the inverse time of diffusion across the contact, which is typically much smaller than the inverse RC time. This dispersion is much more pronounced in the case of strong electron-electron scattering than in the case of purely elastic scattering because of a different symmetry of the relevant second-order correlation functions.
Keywords Fourier transformationElectron-electron interactionsElastic scatteringHot electronsCorrelation functionsDispersion relationsFrequency dependenceCumulantTransport processes
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PILGRAM, Sebastian, NAGAEV, Kirill, BUTTIKER, Markus. Frequency-dependent third cumulant of current in diffusive conductors. In: Physical Review. B, Condensed Matter, 2004, vol. 70, n° 045304, p. 8. doi: 10.1103/PhysRevB.70.045304 https://archive-ouverte.unige.ch/unige:4166

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Deposited on : 2009-11-30

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