{ "id": "cond-mat/0512711", "version": "v2", "published": "2005-12-30T14:36:31.000Z", "updated": "2006-05-31T21:17:12.000Z", "title": "Ehrenfest time and the coherent backscattering off ballistic cavities", "authors": [ "Saar Rahav", "Piet W. Brouwer" ], "comment": "Revised version, 4 pages, 2 figures", "journal": "Phys. Rev. Lett. 96, 196804 (2006)", "doi": "10.1103/PhysRevLett.96.196804", "categories": [ "cond-mat.mes-hall" ], "abstract": "If the Ehrenfest time tau_E of a ballistic cavity is not negligible in comparison to its dwell time tau_D, the weak localization correction to the cavity's transmission is suppressed proportional to exp(-tau_E/tau_D). At the same time, quantum interference enhances the probability of reflection into the mode of incidence by a factor two. This `enhanced backscattering' does not depend on the Ehrenfest time. We show that, in addition to the diagonal enhanced backscattering, there are off-diagonal contributions to coherent backscattering that become relevant if the Ehrenfest time is not negligible.", "revisions": [ { "version": "v2", "updated": "2006-05-31T21:17:12.000Z" } ], "analyses": { "keywords": [ "ehrenfest time", "ballistic cavity", "coherent backscattering", "weak localization correction", "quantum interference enhances" ], "tags": [ "journal article" ], "publication": { "publisher": "APS", "journal": "Phys. Rev. Lett." }, "note": { "typesetting": "TeX", "pages": 4, "language": "en", "license": "arXiv", "status": "editable" } } }