A spin-less particle on a rotating curved surface in Minkowski space
Run Cheng,Li Wang,Hao Zhao,Cui-Bai Luo,Yong-Long Wang,Jun Wang
Figure 7. Vg versus θ for the cases of r = 0.5, 1, 1.5, 2 on the rotating sphere. Here, $\tfrac{{{\hslash }}^{2}}{2m}$ is taken as a unit.