Abstract
The effect of the overall rotation, as characterized by the total angular momentum, on the structure of an Ar13 cluster is studied by using a new technique for separation of the rotational motion from vibrations. No a priori limitation on the degree of nonrigidity of the cluster is imposed. The different structures for different total angular momenta of the cluster are arrived at by a thermal quenching procedure which preserves the overall rotation. It is shown that the centrifugal distortion is anisotropic and it may lead to isomerization transitions and even fragmentation of the cluster.
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References
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