Stuttgart 2012 – wissenschaftliches Programm

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Q: Fachverband Quantenoptik und Photonik

Q 46: Quantengase: Optische Gitter 4

Q 46.4: Vortrag

Donnerstag, 15. März 2012, 14:45–15:00, V53.01

Strongly Interacting Fermions in Optical Lattices — •Valentin Kasper and Christof Wetterich — Institut für Theoretische Physik, Universität Heidelberg

We investigate the thermodynamic properties of strongly interacting fermionic atoms trapped in an optical lattice. The strong coupling physics at a Feshbach resonance requires that we consider effects of the full band structure going beyond the fermionic single-band Hubbard model. We extend previous mean field calculations using the Functional Renormalization Group. This way the phase diagram at zero temperature is established.