Bulletin of the American Physical Society
55th Annual Meeting of the APS Division of Atomic, Molecular and Optical Physics
Monday–Friday, June 3–7, 2024; Fort Worth, Texas
Session G04: Bose-Einstein Condensates
10:30 AM–12:30 PM,
Wednesday, June 5, 2024
Room: 201BC
Chair: Jesus Perez Rios, Stony Brook University
Abstract: G04.00010 : Decoherence of 7Li Matter-Wave Breathers*
12:18 PM–12:30 PM
Presenter:
Ricardo Espinoza
(Rice University)
Authors:
Ricardo Espinoza
(Rice University)
Yi Jin
(Rice University)
Randall G Hulet
(Rice University)
Maxim Olshanii
(University of Massachusetts Boston)
Vanja Dunjko
(University of Massachusetts Boston)
quasi-1D traps1,2. These matter-wave breathers have attracted attention for their potential to realize macroscopic beyond mean-field (MF) behavior due to quantum fluctuations of their macroscopic degrees of freedom3;4. In particular, the dissociation of 2-soliton breathers into their constituent solitons is interesting because it can be caused by both MF5 and quantum6 effects. However, the dynamics of the dissociated breather and properties of the constituent solitons are completely different for MF and quantum dissociation. In this work, we observe and characterize the dissociation of 2-soliton breathers. We show that the behavior is in disagreement with predictions for dissociation due to quantum fluctuations and attribute the dissociation to atom loss from three-body recombination.
1. A. Di Carli et al., Phys. Rev. Lett. 123, 123602 (2019)
2. D. Luo et al., Phys. Rev. Lett. 125, 183902 (2020)
3. B. Opanchuk and P.D. Drummond, Phys. Rev. A. 96, 053628 (2017)
4. O.V. Marchukov et al., Phys. Rev. Lett. 125, 050405 (2020)
5. N. Pereira and F. Chu, Phys. Fluids 22, 874 (1979)
6. O.V. Marchukov et al., Phys. Rev. Lett. 125, 050405 (2020)
*Work supported by the NSF.
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