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Probing many-body states of ultra-cold atoms via noise correlations

Ehud Altman·Eugene Demler·Mikhail D. Lukin
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Abstract

We propose to utilize density-density correlations in the image of an expanding gas cloud to probe complex many body states of trapped ultra-cold atoms. In particular we show how this technique can be used to detect superfluidity of fermionic gases and reveal broken spin symmetries in Mott-states of atoms in optical lattices. The feasibility of the method is investigated by analysis of the relevant signal to noise ratio including experimental imperfections.

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Ehud Altman, Eugene Demler, Mikhail D. Lukin. 2003-06-09. Probing many-body states of ultra-cold atoms via noise correlations. https://doi.org/10.1103/physreva.70.013603

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