Phonon dispersion in systems with a planar Fermi surface

B. Horovitz*, H. Gutfreund, M. Weger

*Corresponding author for this work

Research output: Contribution to journalArticlepeer-review

9 Scopus citations

Abstract

The effect of a planar Fermi surface on the phonon spectrum near q = 2pF is investigated. Two branches of excitations are found in this region. The reliability of the calculation is examined by means of a sum rule for the spectral weight function. The average and the spread of the spectral distribution are computed.

Original languageEnglish
Pages (from-to)1361-1364
Number of pages4
JournalSolid State Communications
Volume11
Issue number10
DOIs
StatePublished - Nov 1972

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