Shot noise in chaotic cavities from action correlations |
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Authors: | Schanz Holger Puhlmann Mathias Geisel Theo |
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Affiliation: | Max-Planck-Institut für Str?mungsforschung, G?ttingen, Germany. holger@chaos.gwdg.de |
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Abstract: | 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. |
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