Ehrenfest-time dependence of weak localization in open quantum dots
arXiv:cond-mat/0505250 · doi:10.1103/PhysRevLett.95.056806
Abstract
Semiclassical theory predicts that the weak localization correction to the conductance of a ballistic chaotic cavity is suppressed if the Ehrenfest time exceeds the dwell time in the cavity [I. L. Aleiner and A. I. Larkin, Phys. Rev. B {\bf 54}, 14424 (1996)]. We report numerical simulations of weak localization in the open quantum kicked rotator that confirm this prediction. Our results disagree with the `effective random matrix theory' of transport through ballistic chaotic cavities.
4 pages, 2 figures
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