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Signatures of Strong Momentum Localization via Translational-Internal Entanglement

Nir Bar-Gill, Gershon Kurizki

cond-mat.softarXiv:cond-mat/0609282

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.

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