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Interatomic Forces, Phonons, the Foreman-Lomer Theorem and the Blackman Sum Rule

Stewart, Andrew


Foreman and Lomer proposed in 1957 a method of estimating the harmonic forces between parallel planes of atoms of primitive 0cubic crystals by Fourier transforming the squared frequencies of phonons propagating along principal directions. A generalized form of this theorem is derived in this paper and it is shown that it is more appropriate to apply the method to certain combinations of the phonon dispersion relations rather than to individual dispersion relations themselves. Further, it is...[Show more]

CollectionsANU Research Publications
Date published: 2001
Type: Journal article
Source: International Journal of Modern Physics B
DOI: 10.1142/S0217979201007269


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