Conjugated Conducting PolymersHelmut G. Kiess, Dionys Baeriswyl |
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Page 16
... single - particle terms with single - particle potential ( 2.4b ) Vn - e ( ri , { R } ) = - and Ve - e { r } = Σ e2 Z.e2 Ra GR2 - r1 | a ∙ ril = Σ Ve - e ( ri - rj ) Bilri - r ; \ ; i is the electron - electron interaction . ( 2.4c ) ...
... single - particle terms with single - particle potential ( 2.4b ) Vn - e ( ri , { R } ) = - and Ve - e { r } = Σ e2 Z.e2 Ra GR2 - r1 | a ∙ ril = Σ Ve - e ( ri - rj ) Bilri - r ; \ ; i is the electron - electron interaction . ( 2.4c ) ...
Page 18
... single unit cell in momentum space , the first Brillouin zone . Since the resulting momentum space band levels are extended Bloch states , the localized regime for dominant Coulomb interactions cannot adequately be described and the ...
... single unit cell in momentum space , the first Brillouin zone . Since the resulting momentum space band levels are extended Bloch states , the localized regime for dominant Coulomb interactions cannot adequately be described and the ...
Page 61
... single - particle states . Since these effective single - particle states include self - consistent interaction effects , strictly speaking one should speak not of electrons but of quasi - particles . This observation is important in ...
... single - particle states . Since these effective single - particle states include self - consistent interaction effects , strictly speaking one should speak not of electrons but of quasi - particles . This observation is important in ...
Contents
Introduction | 1 |
An Overview of the Theory of лConjugated Polymers | 7 |
7 | 65 |
Copyright | |
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A.J. Heeger atoms Baeriswyl band band gap behaviour bipolarons bond alternation bond lengths calculations chain charged solitons Chem chemical shift cis-(CH conducting polymers configuration conjugated polymers Coulomb interactions coupling Cryst D.K. Campbell defects dependence dimerization discussed dopant doping doping levels e-e interactions electron correlation electron spin electron-electron interactions electron-phonon ENDOR energy excitations exciton experimental finite polyenes frequency function Hamiltonian Hartree-Fock hopping Hubbard model Hückel inter-chain kink lattice Lett linewidth magnetic Metals molecular molecules neutral solitons nonlinear nonlinear optical nuclear observed obtained one-dimensional optical absorption optical gap parameter peak Peierls Peierls-Hubbard model phonon Phys polarons polyacetylene polyenes polypyrrole polythiophene properties proton quantum quasi-particles Raman relaxation resonance Sect shown in Fig Solid State Commun spectra spectrum spin density SSH model structure susceptibility symmetry Synth temperature theoretical theory trans trans-(CH trans-polyacetylene transition triplet valence bond values Vardeny