Elastic Constants and Phonon Dispersion Curves for Solid Argon near 0 °K
John A. BarkerIBM Research Laboratory, San Jose, California 95114Michael L. KleinIBM Research Laboratory, San Jose, California 95114M. V. BobeticIBM Research Laboratory, San Jose, California 95114
1970en
ABI
Abstract
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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