Lattice Dynamics of Noble Metals on Effective Three-Body Interaction

• Authors: A. Coelho , M. Shukla
• Languages of publication: EN

Abstracts

EN

Quite recently we modified the original model of Sarkar et al. for cubic metals in extending the ion-ion interaction, ion-electron interaction and the introduction of crystal equilibrium condition. We applied our scheme to alkali metals. We studied here the lattice dynamics of noble metals on our approach by calculating phonon dispersion relations along the three principal symmetry directions, [ξ00], [ξξ0] and [ξξξ] and the (θ-T) curves of three noble metals: copper, silver and gold. We obtained reasonable agreement with the experimental findings.

Keywords

EN

63.20.-e; 65.40.-f

Discipline

• 63.20.-e: Phonons in crystal lattices(for phonons in superconductors, see 74.25.Kc; see also 43.35.Gk Phonons in crystal lattice, quantum acoustics—in Acoustics Appendix)

• Publisher: Institute of Physics, Polish Academy of Sciences
• Journal: Acta Physica Polonica A
• Year: 1996
• Volume: 89
• Issue: 5-6
• Pages: 615-623

Dates

published

1996-05

received

1995-08-10

(unknown)

1996-02-05

Contributors

author

A. Coelho

• Instituto de Fisica, UNICAMP, C.P. 6165, 19081 Campinas, SP, Brasil

author

M. Shukla

• Departamento de Fisica, UNESP, C.P. 3, 17033, Bauru, SP, Brasil

Identifiers

DOI

10.12693/APhysPolA.89.615