108 citations · 965 across the 52 of their papers we have counts for
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nlin.CD2002★ 16 cited
Closed orbits and their bifurcations in the crossed-fields hydrogen atom
T. Bartsch, J. Main, G. Wunner
A systematic study of closed classical orbits of the hydrogen atom in crossed electric and magnetic fields is presented. We develop a local bifurcation theory for closed orbits whi…
nlin.CD2002★ 8 cited
Semiclassical quantization with bifurcating orbits
T. Bartsch, J. Main, G. Wunner
Bifurcations of classical orbits introduce divergences into semiclassical spectra which have to be smoothed with the help of uniform approximations. We develop a technique to extra…