Determination of the pair polarizability tensor for the Ne diatom

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Abstract
The pair polarizability tensor A for the neon diatom Ne2 has been determined as a function of the Ne–Ne separation using an extended Gaussian basis set and the finite perturbation coupled Hartree–Fock technique. Our results are compared with calculations reported previously on the Ne diatom (the earlier calculations were based on a density functional approach), and are found to differ significantly in the estimate of the anisotropy in the tensor A.
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