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- W1990867763 abstract "We numerically determine the ground-state lattice configuration and infra-red absorption spectrum of a simple (strictly one-dimensional) model of a polyacetylene doped to metallic densities. Our model includes electron-electron interactions (treated in Hartree-Fock approximation) and interactions with the counter-ion lattice. Our chief results are: 1) The nature of the ground state is sensitive to minute details of the counter-ion arrangement, leading to the conclusion that small inhomogeneities in the counter-ion distribution can lead to the coexistence of more than one electronically distinct phase in the same sample. 2) The infra-red oscillator strength associated with the pinned soliton mode in a homogeneous phase is a strongly superlinear function of dopant concentration" @default.
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- W1990867763 date "1993-01-01" @default.
- W1990867763 modified "2023-09-24" @default.
- W1990867763 title "Two-Phase Coexistence in the Metallic State of Polyacetylene" @default.
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- W1990867763 doi "https://doi.org/10.1143/ptps.113.53" @default.
- W1990867763 hasPublicationYear "1993" @default.
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