A Scheme of Generating and Spatially Separating Two-Component Entangled Atom Lasers

Details A Scheme of Generating and Spatially Separating Two-Component Entangled Atom Lasers A Scheme of Generating and Spatially Separating Two-Component Entangled Atom Lasers

2005-03-31

arxiv.org/abs/quant-ph/0503240v7

Physics

Quantum Physics

8 pages, 3 figure

Scientific paper

Entanglement of remote atom lasers is obtained via quantum state transfer technique from lights to matter waves in a five-level $M$-type system. The considered atom-atom collisions can yield an effective Kerr susceptibility for this system and lead to the self- and cross- phase modulation between the two output atom lasers. This effect results in generation of entangled states of output fields. Particularly, under different conditions of space-dependent control fields, the entanglement of atom lasers and of atom-light fields can be obtained, respectively. Furthermore, based on the Bell-state measurement, an useful scheme is proposed to spatially separate the generated entangled atom lasers.

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