Shot noise suppression at 1D hopping

Details Shot noise suppression at 1D hopping Shot noise suppression at 1D hopping

1999-11-19

arxiv.org/abs/cond-mat/9911318v1

Phys. Rev. B 61, 15975 (2000)

Physics

Condensed Matter

Mesoscale and Nanoscale Physics

12 pages, 13 figures

Scientific paper

10.1103/PhysRevB.61.15975

We have carried out a preliminary analysis of shot noise at hopping, focusing on uniform 1D arrays of sites separated by N tunnel barriers. The results show that at low temperatures the low-frequency density of the shot noise varies from 1/N to 1 of the Schottky value, depending on the geometry, electron density, and Coulomb interaction strength. An interesting feature is w^{-1/3} dependence of the current spectral density at intermediate frequencies, which reflects self-similarity of the fluctuations at different size scales.

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