Conjugated Conducting PolymersHelmut G. Kiess, Dionys Baeriswyl |
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Page 59
Helmut G. Kiess, Dionys Baeriswyl. and Coulomb interactions that ideally one would wish to exclude from deter- minations of to . In this particular case three - dimensionality and Coulomb repulsion have opposite effects on the apparent ...
Helmut G. Kiess, Dionys Baeriswyl. and Coulomb interactions that ideally one would wish to exclude from deter- minations of to . In this particular case three - dimensionality and Coulomb repulsion have opposite effects on the apparent ...
Page 87
... Coulomb matrix elements between these orbitals are non - vanishing and can rationalize fully the observed differences between the finite oligomers and the polymers . Secondly , one can assert that due to weaker solid state screening and ...
... Coulomb matrix elements between these orbitals are non - vanishing and can rationalize fully the observed differences between the finite oligomers and the polymers . Secondly , one can assert that due to weaker solid state screening and ...
Page 138
... Coulomb repulsion for an electron that is transferred to a state already occupied . In the simple Hubbard model [ 3.4 ] electron correlation is taken into account , but electron - phonon interaction is assumed to be negligible ...
... Coulomb repulsion for an electron that is transferred to a state already occupied . In the simple Hubbard model [ 3.4 ] electron correlation is taken into account , but electron - phonon interaction is assumed to be negligible ...
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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