Cavity enhanced light scattering in optical lattices to probe atomic quantum statistics
arXiv:quant-ph/0610073 · doi:10.1103/PhysRevLett.98.100402
Abstract
Different quantum states of atoms in optical lattices can be nondestructively monitored by off-resonant collective light scattering into a cavity. Angle resolved measurements of photon number and variance give information about atom-number fluctuations and pair correlations without single-site access. Observation at angles of diffraction minima provides information on quantum fluctuations insensitive to classical noise. For transverse probing, no photon is scattered into a cavity from a Mott insulator phase, while the photon number is proportional to the atom number for a superfluid.
4 pages, 3 figures, to published in Phys. Rev. Lett. (March 2007)
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Cited by in corpus (15)
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