Current noise, electron-electron interactions, and quantum interference
Felix von Oppen, Ady Stern
Abstract
It is shown that electron-electron interactions lead to a novel quantum-interference contribution to non-equilibrium current noise in mesoscopic conductors. The corresponding noise spectrum is obtained in detail for diffusive systems. It is found to be quadratic in the applied voltage and to exhibit a power-law frequency spectrum whose exponent depends on the dimensionality of the sample.
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