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arXiv · 2203.05722

Self-interfering dynamics in Bose-Einstein condensates with engineered dispersions

Jin Su·Hao Lyu·Yongping Zhang
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Abstract

Optical lattice and spin-orbit coupling are typical experimental approaches to engineer dispersion. We reveal a self-interfering dynamics in a noninteracting Bose-Einstein condensate with the engineered dispersion by optical lattice or spin-orbit coupling. The self-interference results from the co-occupation of positive and negative effect mass regimes in the engineered dispersion. The physical origination of the self-interference is explained by the Wigner distribution function of the self-interfering wave-packet. We characterize detail features of the self-interference pattern.

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Jin Su, Hao Lyu, Yongping Zhang. 2022-03-11. Self-interfering dynamics in Bose-Einstein condensates with engineered dispersions. https://doi.org/10.1016/j.physleta.2022.128218

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