4.6 Article

Superfluidity breakdown of Rabi-coupled two-component Bose-Einstein condensates in optical lattices

Journal

PHYSICAL REVIEW A
Volume 103, Issue 5, Pages -

Publisher

AMER PHYSICAL SOC
DOI: 10.1103/PhysRevA.103.053322

Keywords

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Funding

  1. National Natural Science Foundation of China [11974235, 11774219]

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The study demonstrates that Rabi coupling can stabilize superfluids in a two-component Bose-Einstein condensate in the presence of optical lattices. Additionally, a significant separation between Landau and dynamical instabilities is observed in a Rabi-coupled Zeeman lattice.
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.

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