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Journal ArticleDOI

Scattering theory of thermal and excess noise in open conductors.

Markus Büttiker
- 03 Dec 1990 - 
- Vol. 65, Iss: 23, pp 2901-2904
TLDR
The fluctuation-dissipation theorem for multiprobe conductors is discussed and a general expression for the excess noise in the presence of transport is derived.
Abstract
Thermal fluctuations at equilibrium and excess fluctuations in the presence of transport in open multiprobe conductors are related to the scattering matrix of the conductor. The fluctuation-dissipation theorem for multiprobe conductors is discussed. A general expression for the excess noise in the presence of transport is derived. These results are applied to conductors which exhibit the quantized Hall effect. If backscattering is suppressed, excess noise is also suppressed.

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Citations
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Electronic transport in two-dimensional graphene

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On quantum noise

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TL;DR: In this article, a review summarizes how insights from mesoscopic scattering theory have direct relevance for optical wave control experiments and vice versa, and the results are expected to have an impact on a number of fields ranging from biomedical imaging to nanophotonics, quantum information, and communication technology.
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Floquet scattering theory of quantum pumps

TL;DR: In this paper, the authors developed the Floquet scattering theory for quantum-mechanical pumping in mesoscopic conductors and investigated the nonequilibrium distribution function, the dc charge, and heat currents at arbitrary pumping amplitude and frequency.
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