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APS » Journals » Phys. Rev. B » Volume 49 » Issue 19
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Phys. Rev. B 49, 14066–14069 (1994)

Experimental study of reduced shot noise in a diffusive mesoscopic conductor

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F. Liefrink and J. I. Dijkhuis
Faculty of Physics and Astronomy, and Debye Institute, University of Utrecht, P.O. Box 80.000, 3508 TA Utrecht, The Netherlands

M. J. M. de Jong*, L. W. Molenkamp, and H. van Houten
Philips Research Laboratories, 5656 AA Eindhoven, The Netherlands

Received 4 February 1994; published in the issue dated 15 May 1994

We demonstrate that a diffusive narrow wire of a length much longer than the elastic scattering length and the phase-coherence length, but of the order of the energy relaxation length, exhibits shot noise with an intensity lower than the full shot-noise level. At 4.2 K, the reduction factor is shown to vary between 0.2 and 0.45, depending on the width of the wire. The reduction is consistent with recent theoretical predictions.

© 1994 The American Physical Society

URL:
http://link.aps.org/doi/10.1103/PhysRevB.49.14066
DOI:
10.1103/PhysRevB.49.14066
PACS:

*Also at Instituut Lorentz, University of Leiden, 2300 RA Leiden, The Netherlands.

 
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