Transactions of Nanjing University of Aeronautics & Astronautics
Miscibility of Binary Bose-Einstein Condensate Mixture with Competing s- and p-Wave Interaction
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Abstract:
Combining two Bose-Einstein condensates （BECs） may result in a miscible or immiscible mixture. In this study， we investigate the miscibility-immiscibility transition of binary BEC mixture trapped in an isotropic harmonic potential， with both inter-species s-wave and p-wave scattering interaction included. The mean-field Gross-Pitaevskii equations with p-wave interaction term are numerically solved to obtain the ground-state phase diagram. Due to the p-wave interaction competing with isotropic s-wave interaction， the spatial density profile of binary BEC mixtures transforming from immiscible phase to miscible phase is observed. The p-wave interaction caused miscibility can be observed in current experiments of Bose-Bose mixture tuned near a p-wave Feshbach resonance.
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This work was supported in part by the Top-Notch Academic Programs Project of Jiangsu Higher Education Institutions （TAPP）， and the Startup Fund of Nanjing University of Aeronautics and Astronautics （No. 1008-0280YAT21004）.
Clc Number:
O469
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