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IJPAP Vol.45(02) [February 2007] >


Title: Effect of three-body interaction in strongly interacting Bose-Einstein condensate in isotropic and highly anisotropic magnetic trap
Authors: Tewari, Shri Prakash
Silotia, Poonam
Saxena, Aditya
Gupta, Lokesh Kumar
Keywords: Bose-Einstein condensate
Magnetic trap
Three-body interaction
Issue Date: Feb-2007
Publisher: CSIR
Abstract: Ground state properties of Bose-Einstein condensate of 20000 ²³Na atoms confined in isotropic and highly anisotropic magnetic traps in the presence of three-body interaction, in addition to the two-body and hard-core interactions, have been theoretically studied by solving modified highly non-linear Gross-Pitaevskii-Ginzburg (GPG) equation. There is increasingly significant change in the chemical potential, total and differential energies per particle as the aspect ratio, λ, is increased from 0.1 to 1.0, with respect to the corresponding values when only two-body and hard-core interactions are considered. The condensate order parameter changes drastically and becomes quasi 1-dimensional, as λ is varied from 1 to 0.1.
Page(s): 173-179
ISSN: 0019-5596
Source:IJPAP Vol.45(02) [February 2007]

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