Dynamics of Dark Solitons in Elongated Bose-Einstein Condensates
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- 21 August 2002
- journal article
- research article
- Published by American Physical Society (APS) in Physical Review Letters
- Vol. 89 (11) , 110401
- https://doi.org/10.1103/physrevlett.89.110401
Abstract
We find two types of moving dark soliton textures in elongated condensates: nonstationary kinks and proper dark solitons. The latter have a flat notch region and we obtain the diagram of their dynamical stability. At finite temperatures the dynamically stable solitons decay due to the thermodynamic instability. We develop a theory of their dissipative dynamics and explain experimental data.Keywords
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