Coherent control of a self-trapped Bose-Einstein condensate

Details Coherent control of a self-trapped Bose-Einstein condensate Coherent control of a self-trapped Bose-Einstein condensate

2006-09-27

arxiv.org/abs/cond-mat/0609703v1

Phys. Rev. A 75, 031607(R) (2007).

Physics

Condensed Matter

Other Condensed Matter

4 pages, 5 EPS figures

Scientific paper

10.1103/PhysRevA.75.031607

We study the behavior of a Bose-Einstein condensate held in an optical lattice. We first show how a self-trapping transition can be induced in the system by either increasing the number of atoms occupying a lattice site, or by raising the interaction strength above a critical value. We then investigate how applying a periodic driving potential to the self-trapped state can be used to coherently control the emission of a precise number of correlated bosons from the trapping-site. This allows the formation and transport of entangled bosonic states, which are of great relevance to novel technologies such as quantum information processing.

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