Bose–Einstein condensates in an eightfold symmetric optical lattice
Niu Zhen-Xia1, Tai Yong-Hang2, Shi Jun-Sheng2, Zhang Wei1, 3, †
       

Fourier transform of the mean position of the BECs in the x-direction in the presence of a tilted optical lattice. Inset: Time evolution of the mean position of the particles. Parameters used in this figure are V0′=−2 , Vtilt = 0.3 kL x, g = 0, ωr′=0.08 , and Ω = 0.