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Quantum partition noise of photon-created electron-hole pairs
L-H Reydellet1, P Roche, D C Glattli
1Service de Physique de l'Etat Condensé, CEA Saclay, F-91191 Gif-Sur-Yvette, France.
Physical Review Letters
|June 6, 2003
Abstract:
We show experimentally that even when no bias voltage is applied to a quantum conductor, the electronic quantum partition noise can be investigated with GHz radio frequency excitation. 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 photon-assisted shot noise. Applying both voltage bias and rf irradiation we are able to make a definitive quantitative test of the scattering theory of photon-assisted shot noise.