Dynamics of two-component Bose-Einstein condensates in rotating traps
arXiv:0805.0847 · doi:10.1103/PhysRevA.80.033609
Abstract
The dynamics of two-component Bose-Einstein condensates in rotating traps is investigated. In the Thomas-Fermi limit, equations of motion are derived showing multiple static solutions for a vortex free condensate. Dynamic stability analysis of these solutions and comparison with Truncated Wigner simulations enables us to identify the regimes for which vortex states will occur. In addition, our analysis predicts centre-of-mass oscillations that are induced by interspecies interactions and affect each component separately. For attractive interspecies interactions, these oscillations lead to a stable symmetry broken state.
v4: more material added. 9 pages, 6 figures v5: figures fixed v6:some rewording v7:fixed figures
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- Vortex-Bright Soliton Dipoles: Bifurcations, Symmetry Breaking and Soliton Tunneling in a Vortex-Induced Double Well
- Mixing, demixing, and structure formation in a binary dipolar Bose-Einstein condensate
- Emergence and Stability of Vortex Clusters in Bose-Einstein Condensates: a Bifurcation Approach near the Linear Limit
- Beats and Expansion of Two-Component Bose-Einstein Condensates in the Thomas-Fermi Limit
- An efficient spectral method for computing dynamics of rotating two-component Bose--Einstein condensates via coordinate transformation