Elastic scattering losses in the four-wave mixing of Bose Einstein Condensates

Details Elastic scattering losses in the four-wave mixing of Bose Einstein Condensates Elastic scattering losses in the four-wave mixing of Bose Einstein Condensates

2004-03-17

arxiv.org/abs/cond-mat/0403424v1

Physics

Condensed Matter

Soft Condensed Matter

Scientific paper

10.1088/0953-4075/37/24/L01

We introduce a classical stochastic field method that accounts for the quantum fluctuations responsible for spontaneous initiation of various atom optics processes. We assume a delta-correlated Gaussian noise in all initially empty modes of atomic field. Its strength is determined by comparison with the analytical results for two colliding condensates in the low loss limit. Our method is applied to the atomic four wave mixing experiment performed at MIT [Vogels {\it et. al.}, Phys. Rev. Lett. {\bf 89}, 020401, (2002)], for the first time reproducing experimental data.

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