A space-dependent atomic superfluid current in Bose–Einstein condensates*
Li Feia),c)†, Li Yong-Fanb), Zhang Ping-Kea), Ai Zhen-Zhoua), Wu Chang-Yia)
       
Plots of the orbits in the equivalent phase space ( R , Ṙ ) with μ ̃ = 3.17, K = 7, V = 3.52, R (0) = 0.5, and Ṙ (0) = 0. The values of ε for panels (a)–(d) are 0, 0.02, 0.04, 0.07, respectively.