Conjugated Conducting PolymersHelmut G. Kiess, Dionys Baeriswyl |
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Page 20
... electrons , are not treated explicitly . The effects of all these electrons are incorporated into ( 1 ) an effective ion - ion interaction , ( 2 ) a renormalized electron - ion interaction and ( 3 ) ( weakly ) screened ( π ) electron- ...
... electrons , are not treated explicitly . The effects of all these electrons are incorporated into ( 1 ) an effective ion - ion interaction , ( 2 ) a renormalized electron - ion interaction and ( 3 ) ( weakly ) screened ( π ) electron- ...
Page 63
... electron - electron interactions , the natural per- turbation theory is about the strongly localized or atomic limit . Here the large ( 2 - fold ) spin degeneracy renders the calculations non - trivial [ 2.136 , 148 ] . Although ...
... electron - electron interactions , the natural per- turbation theory is about the strongly localized or atomic limit . Here the large ( 2 - fold ) spin degeneracy renders the calculations non - trivial [ 2.136 , 148 ] . Although ...
Page 195
... Electron - Electron Interaction and Inter - Chain Coupling Up to this point we have considered a single polyene chain using simple Hückel theory . It has been shown by many authors that three - dimensional effects and electron - electron ...
... Electron - Electron Interaction and Inter - Chain Coupling Up to this point we have considered a single polyene chain using simple Hückel theory . It has been shown by many authors that three - dimensional effects and electron - electron ...
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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