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Rostock 2019 – scientific programme

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Q: Fachverband Quantenoptik und Photonik

Q 49: Quantum gases (Fermions) (joint session A/Q)

Q 49.2: Talk

Thursday, March 14, 2019, 14:15–14:30, S HS 1 Physik

Non-Equilibrium Dynamics Induced by Interaction Quenches in Ultra-Cold Fermi Gases — •Andreas Kell1, Benjamin Rauf1, Martin Link1, Kuiyi Gao1, Alexandra Behrle1, Timothy Harrison1, Johannes Kombe2, Jean-Sebastien Bernier2, Corinna Kollath2, and Michael Köhl11Physikalisches Institut, University of Bonn, Bonn, Germany — 2HISKP, University of Bonn, Bonn, Germany

Ultra-cold Fermi gases with tuneable interactions have gathered much interest in the last decade as an excellent tool for the investigation of the BEC-BCS crossover. The Cooper-pairing dynamics and thermalisation in a strongly interacting Fermi gas are not well understood, as the non-equilibrium dynamics upon a quench of the interaction strength 1/kFa are difficult to study both in theory and in experiment. We present our recent measurement results on the dynamics observed in fast changes of the interaction parameter.

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