Probing spatial spin correlations of ultracold gases by quantum noise spectroscopy

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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.
Revised version. 4 pages, 3 figures. Accepted for PRL

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http://salesiana.dossiersoluciones.com/handle/123456789/216426

Consulte el texto completo en el siguiente enlace:

https://arxiv.org/abs/0809.0312
 http://arxiv.org/abs/0809.0312
 Phys. Rev. Lett. 102, 030401 (2009)
 doi:10.1103/PhysRevLett.102.030401

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arXiv