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Collective dynamics of Fermi-Bose mixtures with an oscillating scattering length
Physical-Technical Institute, Uzbek Academy of Sciences, Tashkent, Uzbekistan; CNH, Universidade Federal do ABC, Santo André, Brazil.
Örebro University, School of Science and Technology. Nano Science Center, Department of Chemistry, University of Copenhagen, København, Denmark.ORCID iD: 0000-0002-2630-7479
Department of Applied Mathematics and Computer Science, Technical University of Denmark, Kongens Lyngby, Denmark.
2019 (English)In: Physical Review A. Atomic, Molecular, and Optical Physics, ISSN 1050-2947, E-ISSN 1094-1622, Vol. 99, no 3, article id 033614Article in journal (Refereed) Published
Abstract [en]

Collective oscillations of superfluid mixtures of ultra cold fermionic and bosonic atoms are investigated while varying the fermion-boson scattering length. We study the dynamics with respect to excited center of mass modes and breathing modes in the mixture. Parametric resonances are also analyzed when the scattering length varies periodically in time, by comparing partial differential equation (PDE) models and ordinary differential equation (ODE) models for the dynamics. An application to the recent experiment with fermionic Li-6 and bosonic Li-7 atoms, which approximately have the same masses, is discussed.

Place, publisher, year, edition, pages
American Physical Society, 2019. Vol. 99, no 3, article id 033614
National Category
Atom and Molecular Physics and Optics
Research subject
Physics
Identifiers
URN: urn:nbn:se:oru:diva-73269DOI: 10.1103/PhysRevA.99.033614ISI: 000461899100005Scopus ID: 2-s2.0-85063301819OAI: oai:DiVA.org:oru-73269DiVA, id: diva2:1298230
Note

Funding Agency:

Conselho Nacional de Desenvolvimento Cientifico e Tecnologico (CNPq-Brasil) 

Available from: 2019-03-22 Created: 2019-03-22 Last updated: 2019-04-04Bibliographically approved

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