Shot noise in coupled dots and the "fractional charges"

Details Shot noise in coupled dots and the "fractional charges" Shot noise in coupled dots and the "fractional charges"

2001-03-26

arxiv.org/abs/cond-mat/0103532v2

Phys. Lett. A 292 (2002) 289.

Physics

Condensed Matter

some clarifications added, to appear in Phys. Lett. A

Scientific paper

10.1016/S0375-9601(01)00802-7

We consider the problem of shot noise in resonant tunneling through double quantum dots in the case of interacting particles. Using a many-body quantum mechanical description we evaluate the energy dependent transmission probability, the total average current and the shot noise spectrum. Our results show that the obtained reduction of the noise spectrum, due to Coulomb interaction, can be interpret in terms of non--interacting particles with fractional charge like behavior.

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