Weak-Localization and Integrability in Ballistic Cavities
arXiv:cond-mat/9212002 · doi:10.1103/PhysRevLett.70.3876
Abstract
We demonstrate the existence of an interference contribution to the average magnetoconductance, G(B), of ballistic cavities and use it to test the semiclassical theory of quantum billiards. G(B) is qualitatively different for chaotic and regular cavities, an effect explained semiclassically by the differing classical distribution of areas. The magnitude of G(B) is poorly explained by the semiclassical theory of coherent backscattering (elastic enhancement factor)-- correlations beyond time-reversed pairs of trajectories must be included-- but is in agreement with random matrix theory.
12 pages + 3 figures, revtex, hub-92-wl
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