How Phase-Breaking Affects Quantum Transport Through Chaotic Cavities

Details How Phase-Breaking Affects Quantum Transport Through Chaotic Cavities How Phase-Breaking Affects Quantum Transport Through Chaotic Cavities

1994-11-15

arxiv.org/abs/cond-mat/9411056v1

Physics

Condensed Matter

4 pages, revtex, 3 figures: uuencoded tar-compressed postscript

Scientific paper

10.1103/PhysRevB.51.4703

We investigate the effects of phase-breaking events on electronic transport through ballistic chaotic cavities. We simulate phase-breaking by a fictitious lead connecting the cavity to a phase-randomizing reservoir and introduce a statistical description for the total scattering matrix, including the additional lead. For strong phase-breaking, the average and variance of the conductance are calculated analytically. Combining these results with those in the absence of phase-breaking, we propose an interpolation formula, show that it is an excellent description of random-matrix numerical calculations, and obtain good agreement with several recent experiments.

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