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1998 | 93 | 1 | 211-235
Article title

Low Energy Excitation Spectra of Trapped Bose Condensates

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EN
Abstracts
EN
We discuss our numerical studies of the low energy excitations of trapped Bose condensates using a Bogoliubov-Hartree treatment. In the zero temperature limit, the lowest few excitation frequencies calculated within the Bogoliubov approximation agree well with the experimental data. Finite temperature results obtained using the Popov approximation display qualitative differences from the experimental data close to the critical temperature region. Details of our numerical approach are presented and comparison with other results is discussed.
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EN
Contributors
author
  • School of Physics, Georgia Institute of Technology, Atlanta, GA 30332-0430, USA
author
  • Institute for Theoretical Atomic and Molecular Physics Harvard-Smithsonian Center for Astrophysics 60 Garden Street, MS 14, Cambridge, Massachusetts 02138, USA
author
  • Commissariat à l'Energie Atomique, DSM/DRECAM/SPAM Centre d'Etudes de Saclay 91191 Gif-sur-Yvette, France
author
  • School of Physics, Georgia Institute of Technology, Atlanta, GA 30332-0430, USA
References
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Publication order reference
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YADDA identifier
bwmeta1.element.bwnjournal-article-appv93z117kz
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