A dynamic scheme for generating number squeezing in Bose-Einstein condensates through nonlinear interactions

Details A dynamic scheme for generating number squeezing in Bose-Einstein condensates through nonlinear interactions A dynamic scheme for generating number squeezing in Bose-Einstein condensates through nonlinear interactions

2008-12-11

arxiv.org/abs/0812.2087v2

Phys. Rev. A 80, 023611 (2009)

Physics

Quantum Physics

4 pages, 3 figures

Scientific paper

10.1103/PhysRevA.80.023611

We develop a scheme to generate number squeezing in a Bose-Einstein condensate by utilizing interference between two hyperfine levels and nonlinear atomic interactions. We describe the scheme using a multimode quantum field model and find agreement with a simple analytic model in certain regimes. We demonstrate that the scheme gives strong squeezing for realistic choices of parameters and atomic species. The number squeezing can result in noise well below the quantum limit, even if the initial noise on the system is classical and much greater than that of a poisson distribution.

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