We study the quantum-droplet state in a three-dimensional(3D)Bose gas in the presence of 1D spin-orbit coupling and Raman coupling,especially the stripe phase with density modulation,by numerically computing the groun...We study the quantum-droplet state in a three-dimensional(3D)Bose gas in the presence of 1D spin-orbit coupling and Raman coupling,especially the stripe phase with density modulation,by numerically computing the ground state energy including the mean-field energy and Lee-Huang-Yang correction.In this droplet state,the stripe can exist in a wider range of Raman coupling,compared with the BEC-gas state.More intriguingly,both spin-orbit coupling and Raman coupling strengths can be used to tune the droplet density.展开更多
基金Supported by the National Key R&D Program of China(Grant No.2016YFA0301501)。
文摘We study the quantum-droplet state in a three-dimensional(3D)Bose gas in the presence of 1D spin-orbit coupling and Raman coupling,especially the stripe phase with density modulation,by numerically computing the ground state energy including the mean-field energy and Lee-Huang-Yang correction.In this droplet state,the stripe can exist in a wider range of Raman coupling,compared with the BEC-gas state.More intriguingly,both spin-orbit coupling and Raman coupling strengths can be used to tune the droplet density.
