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Probing Spatial Spin Correlations of Ultracold Gases by Quantum Noise Spectroscopy

By G. Bruun, Brian Andersen, Anders Sørensen and Eugene A. Demler


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.Physic

Publisher: 'American Physical Society (APS)'
Year: 2014
DOI identifier: 10.1103/PhysRevLett.102.030401
OAI identifier:

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