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Coherent control of self-trapping of cold bosonic atoms

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Creffield, Charles E. (2007) Coherent control of self-trapping of cold bosonic atoms. Physical review A, 75 (3). ISSN 1050-2947

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Official URL: http://dx.doi.org/10.1103/PhysRevA.75.031607


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Abstract

We study the behavior of ultracold bosonic atoms held in an optical lattice. We first show how a self-trapping transition can be induced in the system either by 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 preparation and transport of entangled bosonic states, which are of great relevance to novel technologies such as quantum-information processing.


Item Type:Article
Additional Information:

©2007 The American Physical Society.
The author acknowledges numerous stimulating discussions with Tania Monteiro. This work was supported by the EPSRC.

Uncontrolled Keywords:Optical lattice; Mott insulator
Subjects:Sciences > Physics > Materials
Sciences > Physics > Solid state physics
ID Code:33555
Deposited On:14 Oct 2015 16:09
Last Modified:14 Oct 2015 16:09

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