Non-degenerate and degenerate perturbation theory

Lucien1011

If you use the non-degenerate perturbation theory, it happens that the correction to wavefunction has undetermined coefficients. I guess maybe these coefficients are not physically important and hence can be arbitrarily chosen. What do you think?

Lucien1011	If you use the non-degenerate perturbation theory, it happens that the correction to wavefunction has undetermined coefficients. I guess maybe these coefficients are not physically important and hence can be arbitrarily chosen. What do you think?