Quantum control and entanglement using periodic driving fields

Details Quantum control and entanglement using periodic driving fields Quantum control and entanglement using periodic driving fields

2007-04-13

arxiv.org/abs/0704.1792v2

Phys. Rev. Lett. 99, 110501 (2007).

Physics

Condensed Matter

Other Condensed Matter

4 pages, 4 eps figures. V2: minor changes, this version to be published in PRL

Scientific paper

10.1103/PhysRevLett.99.110501

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.

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