A1: Ultracold Fermi mixtures in optical lattices (Bloch)
Prof. Dr. Immanuel Bloch
In this project, we plan to set up a new apparatus on mixtures of fermionic K and Li that will offer novel experimental realisation and detection possibilities to investigate strongly interacting Fermi-Fermi mixtures in optical lattices. We will investigate non-traditional forms of superfluidity and explore the strongly interacting quantum phases of Hubbard-type models, with a central focus on fermionic Mott insulating and magnetically ordered phases, such as antiferromagnets and furthermore -wave superconducting phases.
The project is tightly interconnected with the fundamental goals of this SFB/TRR initiative to obtain a unified understanding of strong correlations effects and to reach out to real material systems starting from the model-based cold quantum gas systems. On the theory side, a close collaboration with Hofstetter (A3), Blümer (A6), Fleischhauer/Eggert (A5) and Gros (B7), is expected. On the experimental side we share common goals in the investigation of frustration effects and Hubbard type physics with the projects of Lang (B6) and Jeschke/Valentí (B2), as well as on dynamical aspects of correlations with the project of Hillebrands/Serha (A7).
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