Figure 3
Solution of the pseudo-angular momentum model of a trigonal complex.
a) spectra for λ = J/5 and varying Δ/J; b) spectra for Δ = J/2 and varying λ/J. The quantum numbers of the states are also indicated. In both panels the states with quantum numbers labelled as 
are two-fold degenerate. The eigenstates with Lz = ±1 (not shown for clarity) have the same properties except that their energies are increased by Γ and all of the degeneracies are doubled corresponding to the two values of Lz = ±1.
