title: Signatures of strong momentum localization via entanglement of translational and internal states.
abstract: We show that atoms or molecules subject to fields that couple their internal and translational (momentum) states may undergo a crossover from randomization (diffusion) to strong localization (sharpening) of their momentum distribution. The predicted crossover should be manifest by a drastic change of the interference pattern as a function of the coupling fields.
authors.affiliation: Weizmann Institute of Science, 76100 Rehovot, Israel.
authors.forename: Nir
authors.initials: N
authors.lastname: Bar-Gill
authors.forename: Gershon
authors.initials: G
authors.lastname: Kurizki