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Electron-number statistics and shot-noise suppression by Coulomb correlation in nondegenerate ballistic transport | | O. M. Bulashenko
; J. Mateos
; D. Pardo
; T. Gonzalez
; L. Reggiani
; J. M. Rubi
; | | Date: |
19 Oct 1997 | | Journal: | Phys. Rev. B 57 (1998) 1366-1369 | | Subject: | Mesoscopic Systems and Quantum Hall Effect | cond-mat.mes-hall | | Abstract: | Within a Monte Carlo simulation we investigate the statistical properties of an electron flow injected with a Poissonian distribution and transmitted under ballistic regime in the presence of long-range Coulomb interaction. Electrons are shown to exhibit a motional squeezing which tends to space them more regularly rather than strictly at random, and evidence a sub-Poissonian statistics with a substantially reduced Fano factor $F_nll 1$. The temporal (anti)correlation among carriers is demonstrated to be a collective effect which persists over the transit of several successive electrons and results in a considerable (more than one order of magnitude) shot noise suppression. | | Source: | arXiv, cond-mat/9710194 | | Services: | Forum | Review | PDF | Favorites | |
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