Semiclassical theory of shot-noise suppression

Details Semiclassical theory of shot-noise suppression Semiclassical theory of shot-noise suppression

1995-01-04

arxiv.org/abs/cond-mat/9501004v1

Phys. Rev. B 51, 16867 (1995)

Physics

Condensed Matter

pages, RevTeX, 1 figure

Scientific paper

10.1103/PhysRevB.51.16867

The Boltzmann-Langevin equation is used to relate the shot-noise power of a mesoscopic conductor to classical transmission probabilities at the Fermi level. This semiclassical theory is applied to tunneling through n barriers in series. For n -> infinity the shot noise approaches one third of the Poisson noise, independent of the transparency of the barriers. This confirms that the one-third suppression known to occur in diffusive conductors does not require phase coherence.

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