Single- to many-body crossover of a quantum carpet

Seminarium BEC

Piotr Tadeusz

Grochowski

October 9, 2020 11:00 AM

Strongly interacting many-body system of bosons exhibiting the quantum carpet pattern is in-vestigated exactly by using Gaudin solutions. We show that this highly coherent design usuallypresent in noninteracting, single-body scenarios gets destroyed by weak-to-moderate interatomicinteractions in an ultracold bosonic gas trapped in a box potential. However, it becomes revived ina very strongly interacting regime, when the system undergoes fermionization. We track the wholesingle- to many-body crossover, providing an analysis of de- and recoherence present in the system.