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Phys. Rev. B 46, 13400–13406 (1992)

Mesoscopic fluctuations in the shot-noise power of metals

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M. J. M. de Jong
Philips Research Laboratories, 5600 JA Eindhoven, The Netherlands

C. W. J. Beenakker
Instituut-Lorentz, University of Leiden, P.O. Box 9506, 2300 RA Leiden, The Netherlands

Received 24 July 1992; published in the issue dated 15 November 1992

The sample-to-sample fluctuations in the shot-noise power of a quasi-one-dimensional, phase-coherent, metallic, diffusive conductor are studied by extending the random-matrix theory of universal conductance fluctuations. The variance of the shot-noise power is shown to be independent of the sample size and the degree of disorder. The precise numerical value is calculated. Furthermore, a weak-localization effect in the average shot-noise power is found. The effect of inelastic scattering for conductors longer than the phase-coherence length is discussed.

© 1992 The American Physical Society

URL:
http://link.aps.org/doi/10.1103/PhysRevB.46.13400
DOI:
10.1103/PhysRevB.46.13400
PACS:
72.70.+m, 73.50.Td, 72.15.Rn, 72.10.Bg