Abstract
We have measured the interspecies trap loss rate coefficient βRb-Cs between ultracold Rb and Cs atoms as a function of Rb trapping laser intensity. The trap loss rate coefficient decreases as the Rb trapping laser intensity increases where the trap loss caused by hyperfine-state changing collision is suppressed due to the increasing Rb trap depth. The experimental results agree with the calculated critical intensity IC of Rb trapping laser by a simple Doppler model.
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More From: Journal of Physics B: Atomic, Molecular and Optical Physics
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