Superfluidity breakdown of Rabi-coupled two-component Bose-Einstein condensates in optical lattices
arXiv:2105.13682 · doi:10.1103/PhysRevA.103.053322
Abstract
We demarcate the unstable regimes of superfluids in a Rabi-coupled two-component Bose-Einstein condensate in the presence of optical lattices. We find that the Rabi coupling can stabilize superfluids. A significant separation between Landau and dynamical instabilities is presented in a Rabi-coupled Zeeman lattice.
arXiv comment7figures
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Cited by in corpus (3)
- Instabilities of a Bose-Einstein condensate with mixed nonlinear and linear lattices
- Stabilizing period-doubled density waves by spin-orbit coupling in Bose-Einstein condensates in optical lattices
- Effect of Rashba spin-orbit and Rabi couplings on the excitation spectrum of binary Bose-Einstein condensates