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Frequency dependent third cumulant of current in diffusive conductors

S. Pilgram·K. E. Nagaev·M. Buttiker
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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.

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S. Pilgram, K. E. Nagaev, M. Buttiker. 2004-01-30. Frequency dependent third cumulant of current in diffusive conductors. https://doi.org/10.1103/physrevb.70.045304

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