SAMOP 2023 – wissenschaftliches Programm
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A: Fachverband Atomphysik
A 23: Ultra-cold Atoms, Ions and BEC IV (joint session A/Q)
A 23.2: Vortrag
Donnerstag, 9. März 2023, 11:30–11:45, F303
Catalyzation of supersolidity in binary dipolar condensates — •Daniel Scheiermann1, Luis Ardila2, and Luis Santos3 — 1Institut für Theoretische Physik, Leibniz Universität Hannover, Germany — 2Institut für Theoretische Physik, Leibniz Universität Hannover, Germany — 3Institut für Theoretische Physik, Leibniz Universität Hannover, Germany
reakthrough experiments have newly explored the fascinating physics of dipolar quantum droplets and supersolids. The recent realization of dipolar mixtures opens further intriguing possibilities. We show that under rather general conditions, the presence of a second component catalyzes droplet nucleation and supersolidity in an otherwise unmodulated condensate. For miscible mixtures, droplet catalyzation results from the effective modification of the relative dipolar strength, and may occur even for a surprisingly small impurity doping. We show that different ground-states may occur, including the possibility of two coexisting interacting supersolids. The immiscible regime provides a second scenario for double supersolidity in an array of immiscible droplets. In addition, we will discuss how the superfluidity of this mixture can be tested.