Bonn 2025 – scientific programme
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Q: Fachverband Quantenoptik und Photonik
Q 65: Poster – Cold Molecules (joint session MO/Q)
Q 65.11: Poster
Thursday, March 13, 2025, 17:00–19:00, Tent
Towards p-wave superfluids of microwave-shielded fermionic NaK molecules — •Weikun Tian1,2, Shrestha Biswas1,2, Sebastian Eppelt1,2, Xingyan Chen1,2, Christine Frank1,2, Immanuel Bloch1,2,3, and Xinyu Luo1,2 — 1Max-Planck-Institut für Quantenoptik, 85748 Garching, Germany — 2Munich Center for Quantum Science and Technology, 80799 Munich, Germany — 3Fakultät für Physik, Ludwig-Maximilians-Universität, 80799 Munich, Germany
Degenerate quantum gases with long-range dipolar interactions open exciting opportunities to explore exotic quantum phases and the dynamics of quantum many-body systems. Ultracold polar molecules, in particular, provide a promising platform to realize these phases, including topological dipolar p-wave superfluidity.
In this poster, we present our recent progress in achieving precise control over the dipolar interactions of NaK molecules through microwave dressing. This technique enables us to engineer the shape and symmetry of the intermolecular potential, suppress inelastic collisions, and perform evaporative cooling to reach the deeply degenerate regime. We highlight the development of a high-power, ultra-low-phase-noise microwave system that facilitates double-microwave dressing and supports our progress toward realizing a p-wave superfluid with dipolar BCS pairing. These advancements pave the way towards uncovering novel quantum phases in dipolar systems.
Keywords: Ultracold quantum gas of dipolar molecules; Microwave-shielded and microwave-dressed molecules; p-wave superfluidity; Ultracold dipolar interaction