Conjugated Conducting PolymersHelmut G. Kiess, Dionys Baeriswyl |
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Page 83
... finite polyenes has 1A , symmetry , the antisymmetric nature of the dipole operator requires that dipole - allowed ( i.e. , transitions involving single photons ) excitations from the ground state lead to 1B1 states . In the independent ...
... finite polyenes has 1A , symmetry , the antisymmetric nature of the dipole operator requires that dipole - allowed ( i.e. , transitions involving single photons ) excitations from the ground state lead to 1B1 states . In the independent ...
Page 90
... finite polyenes and л - conjugated polymers . The location of the 21Ag state in finite polyenes below the optical gap is well understood within models involving electron - electron interactions [ 2.12 , 60 , 61 , 186 , 188 , 189 , 198 ...
... finite polyenes and л - conjugated polymers . The location of the 21Ag state in finite polyenes below the optical gap is well understood within models involving electron - electron interactions [ 2.12 , 60 , 61 , 186 , 188 , 189 , 198 ...
Page 122
... polyenes : a PPP - MRD - DI study . J. Chem . Phys . 85 , 6602-6609 ( 1986 ) 2.189 P. Tavan , K. Schulten : Electronic excitations in finite and infinite polyenes . Phys . Rev. B 36 , 4337-4358 ( 1987 ) 2.190 P. Horsch : Correlation ...
... polyenes : a PPP - MRD - DI study . J. Chem . Phys . 85 , 6602-6609 ( 1986 ) 2.189 P. Tavan , K. Schulten : Electronic excitations in finite and infinite polyenes . Phys . Rev. B 36 , 4337-4358 ( 1987 ) 2.190 P. Horsch : Correlation ...
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Common terms and phrases
A.J. Heeger atoms Baeriswyl band gap behaviour bipolarons bond alternation bond lengths calculations chain charge carriers charged solitons Chem chemical shift cis-(CH conducting polymers conjugated polymers correlation Coulomb interaction coupling Cryst D.K. Campbell defects dielectric function diffusion dimerization discussed dopant dopant concentration dopant molecules doping doping levels e-e interactions effects electron correlation electron spin electron-electron interactions electron-phonon ENDOR energy excitations exciton experimental frequency function Hamiltonian Hartree-Fock hopping Hubbard model Hückel hyperfine interactions inter-chain Kivelson lattice Lett linewidth magnetic metallic molecular neutral solitons nonlinear nonlinear optical nuclear observed obtained one-dimensional optical absorption optical gap parameters peak Peierls Peierls-Hubbard model phonon Phys polarons polyacetylene polyenes polypyrrole polythiophene properties proton quantum quasi-particles Raman resonance samples Sect shown in Fig spectra spectrum spin density structure symmetry Synth tensor theory trans trans-(CH trans-polyacetylene transition valence values Vardeny