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Lookup NU author(s): Professor Carlo Barenghi,
Professor Nikolaos Proukakis
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We consider the dynamics of a dark soliton in an elongated harmonically trapped Bose-Einstein condensate. A central question concerns the behavior at finite temperatures, where dissipation arises due to the presence of a thermal cloud. We study this problem using coupled Gross-Pitaevskii and N-body simulations, which include the mean field coupling between the condensate and thermal cloud. We find that the soliton decays relatively quickly even at very low temperatures, with the decay rate increasing with rising temperature. © Springer Science+Business Media, LLC 2007.
Author(s): Jackson B, Barenghi CF, Proukakis NP
Publication type: Conference Proceedings (inc. Abstract)
Publication status: Published
Conference Name: Journal of Low Temperature Physics: Proceedings of the 2006 International Conference on Quantum Fluids and Solids
Year of Conference: 2007
Publisher: Springer New York LLC
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