Abstract
A computational method is proposed to obtain rotational transition probabilities in collisions between two diatomic molecules. With the use of the effective potential method of Rabitz and the exponential approximation, the semiclassical coupled equations are solved without invoking any perturbational technique. The collision trajectory is determined in the classical modified-wave-number approximation. The method can treat systems of strong interactions and provide probabilities for transitions even with a multi-quantum jump. A simultaneous transition in the rotational states of both molecules, i.e., the rotational-rotational energy transfer, is taken into account. An application to the system, N 2 +N 2 , is described in detail.
Published Version
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