Conjugated Conducting PolymersHelmut G. Kiess, Dionys Baeriswyl |
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Page 16
... single - particle terms with single - particle potential Vn - e ( ri , { R } ) = = and α Zae2 " | Ra— ri│ α ( 2.4b ) ( 2.4c ) e2 Ve - e { r } == 1 \ r1 = r ; \ j > i \ r ; —rj | = jsi e - e ( ri - rj ) is the electron - electron ...
... single - particle terms with single - particle potential Vn - e ( ri , { R } ) = = and α Zae2 " | Ra— ri│ α ( 2.4b ) ( 2.4c ) e2 Ve - e { r } == 1 \ r1 = r ; \ j > i \ r ; —rj | = jsi e - e ( ri - rj ) is the electron - electron ...
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 ...
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A.J. Heeger atoms Baeriswyl band band gap behaviour bipolarons bond alternation bond lengths calculations chain charge carriers charged solitons Chem chemical shift cis-(CH conducting polymers configuration conjugated polymers Coulomb interaction coupling Cryst D.K. Campbell decreases defects dimerization discussed dopant dopant concentration dopant molecules 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 Kivelson lattice Lett linewidth magnetic metallic molecular neutral solitons nonlinear nonlinear optical nuclear observed one-dimensional optical absorption optical gap pair parameter peak Peierls Peierls-Hubbard model phonon Phys polarons polyacetylene polyenes polypyrrole polythiophene properties proton quantum quasi-particles Raman relaxation resonance Sect Solid State Commun spectra spectrum spin density SSH model susceptibility symmetry Synth theoretical theory thermoelectric coefficient trans trans-(CH trans-polyacetylene transition triplet valence bond values Vardeny