Shot Noise in Disordered Junctions: Interaction Corrections
D. B. Gutman, Yuval Gefen
Abstract
We study current correlation functions in a diffusive junction out of equilibrium. We calculate corrections to the electric current and to the zero frequency shot noise due to electron-electron interactions. Contrary to the equilibrium situation (where the corrections to the current and to the current noise are related through the fluctuation-dissipation theorem (FDT)), these two quantities behave differently: the correction to the electron current are governed by the largest of temperature and applied voltage, while the correction to the shot noise is always governed by the temperature. PACS Nos. 71.10.Ay, 71.23.An, 73.50.Td
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