Elastic Constants and Phonon Dispersion Curves for Solid Argon near 0 °K

Elastic constants and phonon dispersion curves for crystalline argon at low temperatures are calculated using the accurate pair potential function developed by Bobetic and Barker together with the Axilrod-Teller three-body interaction. The phonon dispersion curves are in good agreement with experiment, but the elastic constants show substantial differences from current experimental estimates.

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