Conjugated Conducting PolymersHelmut G. Kiess, Dionys Baeriswyl |
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Page 13
... methods , or faithful approximations to such methods , will be necessary to obtain both definitive predictions from the models and detailed fits to experiment . Finally , in Sect . 2.7 we examine critically the most obvious limitations ...
... methods , or faithful approximations to such methods , will be necessary to obtain both definitive predictions from the models and detailed fits to experiment . Finally , in Sect . 2.7 we examine critically the most obvious limitations ...
Page 64
... Methods Variational approaches form another important general category of approxi- mate methods for incorporating correlation effects . If carried out strictly and without additional approximations , these methods can provide rigorous ...
... Methods Variational approaches form another important general category of approxi- mate methods for incorporating correlation effects . If carried out strictly and without additional approximations , these methods can provide rigorous ...
Page 66
... methods have been used [ 2.207-212 ] to investigate variants of the Peierls- Hubbard / PPP models . Without going into too much technical detail one can distinguish three classes of methods : ( 1 ) Projector methods [ 2.209-211 , 213 ] ...
... methods have been used [ 2.207-212 ] to investigate variants of the Peierls- Hubbard / PPP models . Without going into too much technical detail one can distinguish three classes of methods : ( 1 ) Projector methods [ 2.209-211 , 213 ] ...
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Common terms and phrases
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