Bulletin of the American Physical Society
54th Annual Meeting of the APS Division of Atomic, Molecular and Optical Physics
Volume 68, Number 7
Monday–Friday, June 5–9, 2023; Spokane, Washington
Session M08: Quantum Gases in Reduced Dimensions
2:00 PM–3:48 PM,
Wednesday, June 7, 2023
Room: 206 C
Chair: David Weiss, Penn State University
Abstract: M08.00004 : Observation of wave collapse in a two-dimensional Bose gas
2:36 PM–2:48 PM
Presenter:
Tanish Satoor
(University of Cambridge)
Authors:
Tanish Satoor
(University of Cambridge)
Andrey Karailiev
(University of Cambridge)
Martin Gazo
(University of Cambridge)
Nishant Dogra
(University of Cambridge)
Maciej Galka
(University of Cambridge)
Zoran Hadzibabic
(University of Cambridge)
Here, we study the collapse behaviour in the critical two-dimensional case, for a Bose gas confined in a box potential. We observe collapse if the atom number is larger than the critical value, which, due to scale invariance of the 2D Bose gas, is independent of the system size. Furthermore, we study atom loss dynamics after the collapse event, providing benchmarks for theories of nonlinear wave phenomena.
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