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Dresden 2011 – wissenschaftliches Programm

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Q: Fachverband Quantenoptik und Photonik

Q 58: Ultracold Atoms: Trapping and Cooling 2

Q 58.6: Vortrag

Freitag, 18. März 2011, 11:45–12:00, HSZ 02

Ultracold atoms in disordered quantum potential — •Hessam Habibian1,2, Wolfgang Niedenzu3, Helmut Ritsch3, and Giovanna Morigi1,21Grup d'Optica, Departament de Física, Universitat Autònoma de Barcelona, E-08193 Bellaterra, Barcelona, Spain — 2Theoretische Physik, Universität des Saarlandes, D-66041 Saarbrücken, Germany — 3Institut für Theoretische Physik, Universität Innsbruck, A-6020 Innsbruck, Austria

We study the self-organized atomic patterns which emerge by mechanical effect of light in an optical resonator when the atoms are driven by a laser. The laser wave vector is at a tilted angle from the axis of the cavity such that the light scattered by each atom has a (pseudo-)random phase. Depending on the intensity of the laser and the angle with the cavity axis, the atomic crystal may exhibit defects. We study the quantum ground state of the system in this configuration.

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