Equatorial spin-three-halves coherent state (source code)

= Equatorial spin-three-halves coherent state

At azimuth $\varphi$, the normalized spin-$3/2$ coherent-state components are proportional to $1,\sqrt3e^{i\varphi},\sqrt3e^{2i\varphi},e^{3i\varphi}$.