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Stability of nonstationary states of spin-2 Bose-Einstein condensates
Umeå University, Faculty of Science and Technology, Department of Physics.
Umeå University, Faculty of Science and Technology, Department of Physics.
2012 (English)In: Physical Review A. Atomic, Molecular, and Optical Physics, ISSN 1050-2947, E-ISSN 1094-1622, Vol. 85, no 5, 053622- p.Article in journal (Refereed) Published
Abstract [en]

The dynamical stability of nonstationary states of homogeneous spin-2 rubidium Bose-Einstein condensates is studied. The states considered are such that the spin vector remains parallel to the magnetic field throughout the time evolution, making it possible to study the stability analytically. These states are shown to be stable in the absence of an external magnetic field, but they become unstable when a finite magnetic field is introduced. It is found that the growth rate and wavelength of the instabilities can be controlled by tuning the strength of the magnetic field and the size of the condensate.

Place, publisher, year, edition, pages
2012. Vol. 85, no 5, 053622- p.
National Category
Physical Sciences
Identifiers
URN: urn:nbn:se:umu:diva-56213DOI: 10.1103/PhysRevA.85.053622ISI: 000304103400008OAI: oai:DiVA.org:umu-56213DiVA: diva2:532934
Available from: 2012-06-12 Created: 2012-06-12 Last updated: 2017-12-07Bibliographically approved

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Mäkelä, HarriLundh, Emil
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