Higher cumulants of voltage fluctuations in current-biased diffusive contacts
Nagaev, K. E.
Original · EN
The third and fourth cumulants of voltage in a current-biased diffusive metal contact of resistance R are calculated for arbitrary temperatures and voltages using the semiclassical cascade approach. The third cumulant equals e²R³I/3 at high temperatures and 4e²R³I/15 at low temperatures, whereas the fourth cumulant equals 2e²R³T/3 at high temperatures and (34/105)e³R⁴I at low temperatures.
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