Ehrenfest Time and the Coherent Backscattering Off Ballistic Cavities
Ehrenfest Time and the Coherent Backscattering Off Ballistic Cavities
If the Ehrenfest time ${\ensuremath{\tau}}_{\mathrm{E}}$ of a ballistic cavity is not negligible in comparison to its dwell time ${\ensuremath{\tau}}_{\mathrm{D}}$, the weak localization correction to the cavity's transmission is suppressed proportional to $\mathrm{exp}(\ensuremath{-}{\ensuremath{\tau}}_{\mathrm{E}}/{\ensuremath{\tau}}_{\mathrm{D}})$. At the same time, quantum interference enhances the probability of reflection into the mode of incidence by a …