München 2004 – wissenschaftliches Programm

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A: Atomphysik

A 3: Kalte Atome in Fallen

A 3.4: Vortrag

Montag, 22. März 2004, 14:45–15:00, HS 132

Ultracold Fermi and Bose gases in exotic optical lattices. — •Mikhail Baranov¹, Hans-Ulrich Everts¹, Henning Fehrmann¹, Luis Santos¹, Ignacio Cirac^2,3, and Maciek Lewenstein^1,3 — ¹Institüt für Theoretische Physik, Universität Hannover, 30167 Hannover, Germany — ²Max Plank Institüt für Quantenoptic, 85748 Garching, Germany — ³Institut de Ciéncies Fotóniques, Barcelona 08034, Spain

We study the phase diagram of ultracold quantum degenerate Fermi and Bose gases and thier mixtures in frustrated optical lattices, i.e. Kagome lattice and its trimerized modification. Placed in such a lattice, quantum gases demonstrate very reach phase diagrams, and can be used as a tool for modelling the behaviour of quantum fructrated antiferromagnets.