Full Current Statistics in the Regime of Weak Coulomb Interaction

Details Full Current Statistics in the Regime of Weak Coulomb Interaction Full Current Statistics in the Regime of Weak Coulomb Interaction

2003-04-15

arxiv.org/abs/cond-mat/0304339v1

Phys. Rev. Lett. 94, 056801 (2005)

Physics

Condensed Matter

Mesoscale and Nanoscale Physics

4 pages, 3 figures

Scientific paper

10.1103/PhysRevLett.94.056801

We evaluate the full statistics of the current via a Coulomb island that is strongly coupled to the leads. This strong coupling weakens Coulomb interaction. We show that in this case the effects of the interaction can be incorporated into the renormalization of transmission eigenvalues of the scatterers that connect the island and the leads. We evaluate the Coulomb blockade gap in the current-voltage characteristics, the value of the gap being exponentially suppressed as compared to the classical charging energy of the island.

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