In the present communication, the local form of the pseudopotential is employed to study the lattice dynamics and some mechanical properties of the gold and silver lattice. We have treated pseudopotential parameters rc and rm as experimental radii to make present pseudopotential parameter-free and so our model does not require any adjustment of parameters. The computed results of phonon dispersion curves, Debye-Waller factor, mean square displacement, specific heat, isothermal bulk modulus and Debye temperature are reported for both metals. Our theoretical results are in accordance with experimental trend and overall good agreement is achieved when compared with available experimental findings.
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