256 citations · 2.6k across the 81 of their papers we have counts for
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quant-ph1999★ 30 cited
Centrifugal terms in the WKB approximation and semiclassical quantization of hydrogen
Joachim Hainz, Hermann Grabert
A systematic semiclassical expansion of the hydrogen problem about the classical Kepler problem is shown to yield remarkably accurate results. Ad hoc changes of the centrifugal ter…
quant-ph1999★ 16 cited
Semiclassical dynamics of a spin-1/2 in an arbitrary magnetic field
Adrian Alscher, Hermann Grabert
The spin coherent state path integral describing the dynamics of a spin-1/2-system in a magnetic field of arbitrary time-dependence is considered. Defining the path integral as the…