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Abstract: We propose a scheme for producing directed motion in a lattice system byapplying a periodic driving potential. By controlling the dynamics by means ofthe effect known as coherent destruction of tunneling, we demonstrate a novelratchet-like effect that enables particles to be coherently manipulated andsteered without requiring local control. Entanglement between particles canalso be controllably generated, which points to the attractive possibility ofusing these technique for quantum information processing.



Autor: C.E. Creffield

Fuente: https://arxiv.org/







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