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Comment: 15 pages, 7 figures, v.2: Eqs.(A.6) and (A.15) are corrected
Comment: Proceedings QMath9, September 12th-16th, 2004, Giens, France
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.
Comment: 29 pages, figures not included (preprints with figures can be obtained by conventional mail on request from T.Christen christet@sc2a.unige.ch)
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