Spontaneous symmetry breaking induced by interaction in linearly coupled binary Bose Einstein condensates

Mateus C. P. dos Santos; Wesley B. Cardoso

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arXiv · 2202.06730

Spontaneous symmetry breaking induced by interaction in linearly coupled binary Bose Einstein condensates

Mateus C. P. dos Santos·Wesley B. Cardoso

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Abstract

We analyze the spontaneous symmetry breaking (SSB) induced by one specific component of a linearly coupled binary Bose-Einstein condensate (BEC). The model is based on linearly coupled Schr\"odinger equations with cubic nonlinearity and with a double-well (DW) potential acting on only one of the atomic components. By numerical simulations, symmetric and asymmetric ground-states were obtained, and an induced asymmetry in the partner field was observed. In this sense, we properly demonstrated that the linear coupling mixing the two-field component (Rabi coupling) promotes the (in)balance between atomic species, as well as the appearance of the Josephson and SSB phases.

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BibTeX RIS

Mateus C. P. dos Santos, Wesley B. Cardoso. 2022-02-14. Spontaneous symmetry breaking induced by interaction in linearly coupled binary Bose Einstein condensates. https://arxiv.org/abs/2202.06730

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