Effects of Exchange Symmetry on Full Counting Statistics
arXiv:cond-mat/0612693 · doi:10.1103/PhysRevLett.99.076804
Abstract
We study the full counting statistics for the transmission of two identical particles with positive or negative symmetry under exchange for the situation where the scattering depends on energy. We find that, besides the expected sensitivity of the noise and higher cumulants, the exchange symmetry has a huge effect on the average transmitted charge; for equal-spin exchange-correlated electrons, the average transmitted charge can be orders of magnitude larger than the corresponding value for independent electrons. A similar, although smaller, effect is found in a four-lead geometry even for energy-independent scattering.
arXiv comment9 pages, 3 figures, one figure and a more physical explanation of the effect added
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