Title: Plasmon frequency for a spin-density wave model
Authors: Broidioi, M ×
Verbeure, André #
Issue Date: Sep-1991
Publisher: E. Birkhäuser
Series Title: Helvetica physica acta vol:64 issue:7 pages:1093-1112
Abstract: A prototype of a system with a long range interaction, a mean field model exhibiting a phase transition showing a spin density wave, is considered, in order to explain rigorously the occurrence of a discrete plasma frequency in the fluctuation spectrum. A canonical pair is found corresponding to the fluctuations of the relative (spin up, spin down) spin density, respectively the local order parameter density. The pair decouples from the other degrees of freedom of the system.
ISSN: 0018-0238
Publication status: published
KU Leuven publication type: IT
Appears in Collections:Theoretical Physics Section
× corresponding author
# (joint) last author

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