131 citations · 818 across the 29 of their papers we have counts for
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quant-ph1997★ 49 cited
The Hydrogen Atom in Combined Electric and Magnetic Fields with Arbitrary Mutual Orientations
Jörg Main, Michael Schwacke, Günter Wunner
For the hydrogen atom in combined magnetic and electric fields we investigate the dependence of the quantum spectra, classical dynamics, and statistical distributions of energy lev…
chao-dyn1997★ 10 cited
Uniform semiclassical approximations for umbilic bifurcation catastrophes
J. Main, G. Wunner
Gutzwiller's trace formula for the semiclassical density of states diverges at the bifurcation points of periodic orbits and has to be replaced with uniform semiclassical approxima…