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On a representation of the long-range interatomic interaction potential

A J Thakkar and V H Smith Jr

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A representation of the long-range dispersion series proposed by Smith and Thakkar (1972) and rediscovered by LeRoy (1974) requires a choice of n or equivalently chi =C10C6/(C8)2. chi is nearly constant for interactions between pairs of S-state atoms. This constancy is explained in terms of the single oscillator model, the hydrogenic model and the Starkschall-Gordon model.


PACS

34.20.Cf Interatomic potentials and forces

34.10.+x General theories and models of atomic and molecular collisions and interactions (including statistical theories, transition state, stochastic and trajectory models, etc.)

Subjects

Atomic and molecular physics

Dates

Issue 10 (11 July 1974)



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