%0 Journal Article
%T Less trouble with orbits: The semi-classical hydrogen problem in parabolic and spherical coordinates
%A Manfred Bucher
%J Physics
%D 2014
%I arXiv
%X Historically, the eccentricity of Sommerfeld orbits from quantization conditions in either parabolic or spherical coordinates was found to differ in almost all cases. To do the orbit comparison correctly, one must use amended instead of traditional Sommerfeld orbits.
%U http://arxiv.org/abs/1408.0244v2