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Quantum Control and Entanglement using Periodic Driving Fields
2007
Physical Review Letters
We propose a scheme for producing directed motion in a lattice system by applying a periodic driving potential. By controlling the dynamics by means of the effect known as coherent destruction of tunneling, we demonstrate a novel ratchet-like effect that enables particles to be coherently manipulated and steered without requiring local control. Entanglement between particles can also be controllably generated, which points to the attractive possibility of using these technique for quantum information processing.
doi:10.1103/physrevlett.99.110501
pmid:17930420
fatcat:lmghyugu2rfifg3n2vdqs6eu7q