Elementary excitation of spin-orbit coupled Bose-Einstein condensates in optical lattice

30th International Conference on Photonic, Electronic, and Atomic Collisions

Chai, Xu-Dan^1 ; Xue, Ju-Kui^1

Key Laboratory of Atomic and Molecular Physics and Functional Materials of Gansu Province, College of Physics and Electronics Engineering, Northwest Normal University, Lanzhou

730070, China^1

关键词: Bose-Einstein condensates;    Elementary excitations;    One dimensional optical lattice;    Phonon mode;    Sound speed;    Spin orbits;   

Others  :  https://iopscience.iop.org/article/10.1088/1742-6596/875/9/082010/pdf
DOI  :  10.1088/1742-6596/875/9/082010

来源: IOP

【 摘 要 】

Synopsis The phonon mode excitations of spin-orbit (SO) coupled Bose-Einstein condensates (BECs) trapped in an one-dimensional optical lattice are studied and the sound speed of the system is obtained analytically.