We show experimentally that precise phase modulation of an optical potential allows us to control quantum correlations for atomic wave packets in a way that greatly enhances momentum transport. Experimentally, this means that for the same laser power and pulse frequency, atoms are accelerated to much higher energies. We explain our results with a pseudoclassical analysis along with numerical simulations, highlighting the existence of transporting islands in phase space.
Engineering quantum correlations to enhance transport in cold atoms / Sadgrove M.; Schell T; Nakagawa K; Wimberger S.. - In: PHYSICAL REVIEW A. - ISSN 1050-2947. - 87:1(2013), p. 013631. [10.1103/PhysRevA.87.013631]
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