Abstract
In the present analysis, the interaction system of an fcc d-band metal is considered to be composed of two-body and many-body parts. We use a short-range three-body potential to deduce the contribution of many-body forces to the dynamical matrix of fcc structure. The inclusion of multi-particle forces in the transition metal model potential scheme of Animalu improves, in general, the transverse branches of phonon dispersion curves of Cu, Ag, Au and Pd and gives good agreement with the neutron data for all the metals.
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