Optical conductivity of solitons in polyacetylene

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Abstract

The soliton lattice solution of the continuum model for polyacetylene is used to derive the frequency dependent conductivity of charged solitons. The limit of low soliton density is explicitly evaluated and shown to be free of singularities. The conductivity sum rule is proven for the model Hamiltonian, and is shown to be satisfied by the explicit solution. Implications for polyacetylene and for TTF-TCNQ are discussed.

Original languageEnglish
Pages (from-to)593-596
Number of pages4
JournalSolid State Communications
Volume41
Issue number8
DOIs
StatePublished - 1 Jan 1982
Externally publishedYes

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