Cavity-enhanced light scattering in optical lattices to probe atomic quantum statistics

Igor B. Mekhov, Christoph Maschler, Helmut Ritsch

Research output

79 Citations (Scopus)

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.

Original languageEnglish
Article number100402
JournalPhysical Review Letters
Volume98
Issue number10
DOIs
Publication statusPublished - 7 Mar 2007

Scopus subject areas

  • Physics and Astronomy(all)

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