Coherent control of mesoscopic tunneling in a Bose-Einstein condensate

Details Coherent control of mesoscopic tunneling in a Bose-Einstein condensate Coherent control of mesoscopic tunneling in a Bose-Einstein condensate

2005-10-06

arxiv.org/abs/cond-mat/0510130v1

Phys. Rev. A 72, 053626 (2005)

Physics

Condensed Matter

Soft Condensed Matter

6 pages, 5 figures, accepted for publication at Phys. Rev. A

Scientific paper

10.1103/PhysRevA.72.053626

For a weakly interacting Bose-Einstein condensate in a double well, an appropriate time-dependent modulation of the trapping potential counter-acts the "self-trapping" effects of the interactions, thereby allowing tunneling between the wells. It is demonstrated numerically that this modulation can be employed for transferring the condensate from one well to the other in a controlled way. Moreover it allows the production of mesoscopic entangled states on short time scales.

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