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 ε = 0.01, μ ̃ = 3.17, K = 7, V = 3.52, R (0) = 0.5, and Ṙ (0) = 0. The values of Γ for panels (a)–(d) are 0.8085, 0.812, 0.82, and 0.83, respectively.