Probing spatial spin correlations of ultracold gases by quantum noise spectroscopy – Niels Bohr Institute - University of Copenhagen

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Probing spatial spin correlations of ultracold gases by quantum noise spectroscopy

Pin noise spectroscopy with a single laser beam is demonstrated theoretically to provide a direct probe of the spatial correlations of cold fermionic gases. We show how the generic many-body phenomena of anti-bunching, pairing, antiferromagnetic, and algebraic spin liquid correlations can be revealed in the measured spin noise as a function of laser width, temperature, and frequency.

 

Ref.: http://arxiv.org/abs/0809.0312