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4 papers · 2 filters
Non-Markovian dynamics in pulsed and continuous wave atom lasers
H. P. Breuer, D. Faller, B. Kappler +1
The dynamics of atom lasers with a continuous output coupler based on two-photon Raman transitions is investigated. With the help of the time-convolutionless projection operator te…
Stochastic wave function method for non-Markovian quantum master equations
H. P. Breuer, B. Kappler, F. Petruccione
A generalization of the stochastic wave function method to quantum master equations which are not in Lindblad form is developed. The proposed stochastic unravelling is based on a d…
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…
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…