Application of Strong-Coupling Asymptotic Expansions to the Complex Nikitin Model of Atomic Collisions

We consider a phase integral interpretation of the two-state time-dependent exponential model of Nikitin. We generalize to complex energies and complex interactions following previous workers (Krstić & Janev 1988). Applying the method of steepest descent to the Whittaker functions for which all...

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Veröffentlicht in:	Proceedings of the Royal Society. A, Mathematical and physical sciences Mathematical and physical sciences, 1992-07, Vol.438 (1902), p.1-22
Hauptverfasser:	O'Rourke, S. F. C., Crothers, Derrick Samuel Frederick
Format:	Artikel
Sprache:	eng
Schlagworte:	Atomic collisions Exact sciences and technology Mathematical expressions Mathematical independent variables Mathematical methods in physics Numerical approximation and analysis Parametric models Physics S matrix theory Saddle points Trajectories Transition points Transition probabilities Whittaker functions
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