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Spin Squeezing in Bose–Einstein Condensate with Three-Body Interaction

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Abstract

We investigate spin squeezing in Bose–Einstein condensate with three-body interaction. By using the short-time approximation, we analytically and numerically calculate the spin squeezing parameter. Its shown that increased squeezing can be achieved by increasing the number of atoms, two- and three-body interactions and Josephson-like coupling. Its also shown that three-body interaction causes increased squeezing than two-body interaction.

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Acknowledgements

We acknowledge support from GJJ181084.

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  1. Department of Physics, Nanchang Normal University, Nanchang, 330032, People’s Republic of China

    Song-Song Li

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  1. Song-Song Li
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Correspondence to Song-Song Li.

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Li, SS. Spin Squeezing in Bose–Einstein Condensate with Three-Body Interaction. J Low Temp Phys 203, 225–233 (2021). https://doi.org/10.1007/s10909-021-02582-y

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  • DOI: https://doi.org/10.1007/s10909-021-02582-y

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