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Observation of transient momentum-space interference during scattering of a condensate from an optical barrier
Scattering theory traditionally deals with the asymptotic behavior of a system far removed from the actual scattering event. Here we present an experimental study of the one-dimensional scattering of a noninteracting condensate of ${}^{87}\mathrm{Rb}$ atoms from a potential barrier in the nonasymptotic regime for which the collision dynamics are still …