Phonon dispersion in systems with a planar Fermi surface

B. Horovitz; H. Gutfreund; M. Weger

doi:10.1016/0038-1098(72)90543-1

Phonon dispersion in systems with a planar Fermi surface

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

^*Corresponding author for this work

Racah Institute of Physics

Research output: Contribution to journal › Article › peer-review

9 Scopus citations

Abstract

The effect of a planar Fermi surface on the phonon spectrum near q = 2p_F 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 language	English
Pages (from-to)	1361-1364
Number of pages	4
Journal	Solid State Communications
Volume	11
Issue number	10
DOIs	https://doi.org/10.1016/0038-1098(72)90543-1
State	Published - Nov 1972

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title = "Phonon dispersion in systems with a planar Fermi surface",

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.",

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AB - 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.

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Phonon dispersion in systems with a planar Fermi surface

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