Time-resolved noise of adiabatic quantum pumps

Details Time-resolved noise of adiabatic quantum pumps Time-resolved noise of adiabatic quantum pumps

2006-09-22

arxiv.org/abs/cond-mat/0609574v1

Phys. Rev. B 75, 035315 (2007)

Physics

Condensed Matter

Mesoscale and Nanoscale Physics

11 pages, 10 figures

Scientific paper

10.1103/PhysRevB.75.035315

We investigate quantum-statistical correlation properties of a periodically driven mesoscopic scatterer on a time-scale shorter than the period of a drive. In this limit the intrinsic quantum fluctuations in the system of fermions are the main source of a noise. Nevertheless the effect of a slow periodic drive is clearly visible in a two-time current-current correlation function as a specific periodic in time modulation. In the limit of a strong drive such a modulation can change the sign of a current correlation function.

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