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Matter waves in atomic-molecular condensates with Feshbach resonance management
Physical-Technical Institute, Uzbek Academy of Sciences, Tashkent, Uzbekistan; Theoretical Physics Department, National University of Uzbekistan, Tashkent, Uzbekistan.
Örebro University, School of Science and Technology. Hellenic Mediterranean University, Heraklion, Greece.ORCID iD: 0000-0002-2630-7479
Physical-Technical Institute, Uzbek Academy of Sciences, Tashkent, Uzbekistan; Theoretical Physics Department, National University of Uzbekistan, Tashkent, Uzbekistan.
2021 (English)In: Physical Review E. Statistical, Nonlinear, and Soft Matter Physics: Statistical Physics, Plasmas, Fluids, and Related Interdisciplinary Topics, ISSN 1063-651X, E-ISSN 1095-3787, Vol. 104, no 2, article id 024222Article in journal (Refereed) Published
Abstract [en]

The dynamics of matter waves in the atomic to molecular condensate transition with a time-modulated atomic scattering length is investigated. Both the cases of rapid and slow modulations are studied. In the case of rapid modulations, the average over oscillations for the system is derived. The corresponding conditions for dynamical suppression of the association of atoms into the molecular field, or of second-harmonic generation in nonlinear optical systems, are obtained. For the case of slow modulations, we find resonant enhancement in the molecular field. We then illustrate chaos in the atomic-molecular BEC system. We suggest a sequential application of the two types of modulations, slow and rapid, when producing molecules.

Place, publisher, year, edition, pages
American Physical Society, 2021. Vol. 104, no 2, article id 024222
Keywords [en]
matter waves, molecular condensates, chaos, nonlinear optics
National Category
Atom and Molecular Physics and Optics
Research subject
Physics
Identifiers
URN: urn:nbn:se:oru:diva-93930DOI: 10.1103/PhysRevE.104.024222ISI: 000690874900012PubMedID: 34525634Scopus ID: 2-s2.0-85114184740OAI: oai:DiVA.org:oru-93930DiVA, id: diva2:1588267
Available from: 2021-08-26 Created: 2021-08-26 Last updated: 2021-09-17Bibliographically approved

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Ögren, Magnus

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