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Shot noise in chaotic cavities from action correlations

We consider universal shot noise in ballistic chaotic cavities from a semiclassical point of view and show that it is due to action correlations within certain groups of classical trajectories. Using quantum graphs as a model system, we sum these trajectories analytically and find agreement with ran...

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Published in:Physical review letters 2003-09, Vol.91 (13), p.134101-134101, Article 134101
Main Authors: Schanz, Holger, Puhlmann, Mathias, Geisel, Theo
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Language:English
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description We consider universal shot noise in ballistic chaotic cavities from a semiclassical point of view and show that it is due to action correlations within certain groups of classical trajectories. Using quantum graphs as a model system, we sum these trajectories analytically and find agreement with random-matrix theory. Unlike all action correlations which have been considered before, the correlations relevant for shot noise involve four trajectories and do not depend on the presence of any symmetry.
doi_str_mv 10.1103/PhysRevLett.91.134101
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title Shot noise in chaotic cavities from action correlations
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