2026-07-072026-07-07http://salesiana.dossiersoluciones.com/handle/123456789/216426Spin 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.Revised version. 4 pages, 3 figures. Accepted for PRLOther Condensed MatterProbing spatial spin correlations of ultracold gases by quantum noise spectroscopytext