Phys. Rev. B 46, 1889–1892 (1992)Suppression of shot noise in metallic diffusive conductors
The shot-noise power in a disordered phase-coherent conductor, much longer than the mean free path but much shorter than an inelastic scattering length, is one-third of the classical value of a Poisson process. The reduction below the classical value is a consequence of noiseless open quantum channels. In conductors much longer than an inelasic length, shot noise is further suppressed due to counterbalancing voltage fluctuations which enforce charge neutrality. © 1992 The American Physical Society URL:
http://link.aps.org/doi/10.1103/PhysRevB.46.1889
DOI:
10.1103/PhysRevB.46.1889
PACS:
73.50.Td, 72.70.+m, 72.10.Bg, 72.15.Rn
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