Probing spatial spin correlations of ultracold gases by quantum noise spectroscopy
arXiv:0809.0312 · doi:10.1103/PhysRevLett.102.030401
Abstract
Spin 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 by measuring the spin noise as a function of laser width, temperature, and frequency.
arXiv commentRevised version. 4 pages, 3 figures. Accepted for PRL
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