Soliton dynamics in a formamide stack using a Taylor-series expansion for the potential surface. II. The Pariser-Parr-Pople Hamiltonian

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Abstract
The effects of explicit electron-electron interactions described by the semiempirical Pariser-Parr-Pople Hamiltonian on soliton dynamics in formamide stacks as a model system are investigated. It is shown that explicit treatment of electron-electron interactions does not influence the properties of solitary waves in the model system. Possibilities that solitary waves might serve as charge carriers in stacked systems after doping are discussed.