Quantum partition noise of photo-created electron-hole pairs

Details Quantum partition noise of photo-created electron-hole pairs Quantum partition noise of photo-created electron-hole pairs

2002-06-26

arxiv.org/abs/cond-mat/0206514v2

Physics

Condensed Matter

4 pages, 4 figures

Scientific paper

10.1103/PhysRevLett.90.176803

We show experimentally that even when no bias voltage is applied to a quantum conductor, the electronic quantum partition noise can be investigated using GHz radiofrequency irradiation of a reservoir. Using a Quantum Point Contact configuration as the ballistic conductor we are able to make an accurate determination of the partition noise Fano factor resulting from the photo-assisted shot noise. Applying both voltage bias and rf irradiation we are able to make a definitive quantitative test of the scattering theory of photo-assisted shot noise.

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