Quantum polarization spectroscopy of ultracold spinor gases
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We propose a method for the detection of ground state quantum phases of spinor gases through a series of two quantum nondemolition measurements performed by sending off-resonant, polarized light pulses through the gas. Signatures of various mean-field as well as strongly-correlated phases of F=1 and F=2 spinor gases obtained by detecting quantum fluctuations and mean values of polarization of transmitted light are identified.
5 pages, 1 figure; v2: minor changes
5 pages, 1 figure; v2: minor changes