The ground states and pseudospin textures of rotating two-component Bose–Einstein condensates trapped in harmonic plus quartic potential
Liu Yan, Zhang Su-Ying†,
       

The ground state density distributions and phases for different r0: (a) r0 = 1, (b) r0 = 5, (c) r0 = 7. The first and the third rows are the density distributions of ϕ1 and ϕ2. The second and the fourth rows are the phases corresponding to the density distributions of the first and third rows, respectively.