Abstract:By frequency momentum analysis, the plasmon dispersion of crystalline trans-polyacetylene is calculated for q parallel and perpendicular to the chains. Both experimentally observed features: linear dispersion a t medinm q, and a drop for small q, are obtained. It is suggested that the latter feature is much more pronounced for q perpendicular to the chains (not investigated experimentally) than parallel.Mittels Frequenzimpulsanalyse wird die Plasmondispersion von kristallinem Trans-Polyaxetylen fur q parallel … Show more
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