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physics.atom-ph2009★ 48 cited
ac-driven atomic quantum motor
A. V. Ponomarev, S. Denisov, P. Hanggi
We invent an ac-driven quantum motor consisting of two different, interacting ultracold atoms placed into a ring-shaped optical lattice and submerged in a pulsating magnetic field.…
physics.atom-ph2008★ 26 cited
Steering Bose-Einstein condensates despite time symmetry
Dario Poletti, Giuliano Benenti, Giulio Casati +2
A Bose-Einstein condensate in an oscillating spatially asymmetric potential is shown to exhibit a directed current for unbiased initial conditions despite time symmetry. This pheno…