Düsseldorf 2007 – scientific programme
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Q: Fachverband Quantenoptik und Photonik
Q 40: Quantengase (Spinor-Gase)
Q 40.2: Talk
Wednesday, March 21, 2007, 14:15–14:30, 6J
Teaching the old dog new tricks: Quantum dynamics of atomic coherence in spin-1 condensates — •Lev Plimak1, Reinhold Walser1, Wolfgang Schleich1, Kai Bongs2, and Klaus Sengstock2 — 1Universität Ulm, Institut für Quantenphysik, D-89069 Ulm — 2Institut für Laser-Physik, Universität Hamburg, Luruper Chaussee 149, 22761 Hamburg
Recent spectacular developments in optical cooling and trapping of atoms were preceded by the thorough investigation of interactions of the polarised laser beam with atoms in the sixties, seventies and eighties, in which the concept of atomic coherence played a prominent role. We review this concept in the context of spinor condensates and show that it provides one with a physically natural viewpoint with a link to a multitude of establshed techniques. In addition, access to two-body correlations in the spinor condensates through time-resolved measurement of atomic coherence is discussed.