A global investigation of excited state surfaces within time-dependent density-functional response theory

作者: M. Wanko , M. Garavelli , F. Bernardi , T. A. Niehaus , T. Frauenheim

DOI: 10.1063/1.1635798

关键词: Charge (physics)Molecular physicsChemistryAdiabatic processDensity functional theoryRange (particle radiation)Ab initioWork (thermodynamics)Potential energyAtomic physicsExcited statePhysical and Theoretical ChemistryGeneral Physics and Astronomy

摘要: This work investigates the capability of time-dependent density functional response theory to describe excited state potential energy surfaces conjugated organic molecules. Applications linear polyenes, aromatic systems, and protonated Schiff base retinal demonstrate scope currently used exchange-correlation functionals as local, adiabatic approximations Kohn-Sham theory. The results are compared experimental ab initio data various kinds attain a critical analysis common problems concerning charge transfer long range (nondynamic) correlation effects. goes beyond local investigation electronic properties incorporates global view surfaces.

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