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 ...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 pwave 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.展开更多
基金supported in part by the Top-Notch Academic Programs Project of Jiangsu Higher Education Institutions(TAPP)the Startup Fund of Nanjing University of Aeronautics and Astronautics(No.1008-0280YAT21004)
文摘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 pwave 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.