Semiclassical Prediction for Shot Noise in Chaotic Cavities

Details Semiclassical Prediction for Shot Noise in Chaotic Cavities Semiclassical Prediction for Shot Noise in Chaotic Cavities

2005-11-11

arxiv.org/abs/cond-mat/0511292v1

J. Phys. A: Math. Gen. 39, L159-L165 (2006)

Physics

Condensed Matter

Mesoscale and Nanoscale Physics

4 pages, 2 figures

Scientific paper

10.1088/0305-4470/39/11/L01

We show that in clean chaotic cavities the power of shot noise takes a universal form. Our predictions go beyond previous results from random-matrix theory, in covering the experimentally relevant case of few channels. Following a semiclassical approach we evaluate the contributions of quadruplets of classical trajectories to shot noise. Our approach can be extended to a variety of transport phenomena as illustrated for the crossover between symmetry classes in the presence of a weak magnetic field.

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