Conjugated Conducting PolymersHelmut G. Kiess, Dionys Baeriswyl |
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Page 12
... Sects . 2.3 and 2.4 review paradigms for , respectively , pure e - p and pure e - e interactions . In Sect . 2.3 , we summarize the independent - electron theories , discussing the general Hückel approach and examining in some detail ...
... Sects . 2.3 and 2.4 review paradigms for , respectively , pure e - p and pure e - e interactions . In Sect . 2.3 , we summarize the independent - electron theories , discussing the general Hückel approach and examining in some detail ...
Page 28
... Sect . 2.3 the Hückel and SSH Hamiltonians and in Sect . 2.4 the Hubbard model . 2.3 The Hückel and SSH Models : Independent - Electron Theories In this section we discuss independent - electron models in which the ( explicit ) Coulomb ...
... Sect . 2.3 the Hückel and SSH Hamiltonians and in Sect . 2.4 the Hubbard model . 2.3 The Hückel and SSH Models : Independent - Electron Theories In this section we discuss independent - electron models in which the ( explicit ) Coulomb ...
Page 59
... Sect . 2.3 for the Hückel model , remains exactly the same for the Peierls - Hubbard model , provided that the bond order is calculated for the full Hamiltonian . The proof uses the Hellmann - Feynman theorem according to which the ...
... Sect . 2.3 for the Hückel model , remains exactly the same for the Peierls - Hubbard model , provided that the bond order is calculated for the full Hamiltonian . The proof uses the Hellmann - Feynman theorem according to which the ...
Contents
Introduction | 1 |
Solitons Polarons and Bipolarons | 36 |
7 | 65 |
Copyright | |
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A.J. Heeger A.R. Bishop atoms Baeriswyl band band gap behaviour bipolarons bond alternation bond lengths calculations chain charge carriers charged solitons Chem chemical shift cis-(CH coefficient conducting polymers configuration conjugated polymers Coulomb interaction 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 G.L. Baker Hamiltonian Hartree-Fock hopping Hubbard model Hückel inter-chain kink lattice Lett linewidth magnetic Metals molecular neutral solitons nonlinear nuclear observed obtained one-dimensional optical absorption optical gap pair parameters peak Peierls Peierls-Hubbard model phonon Phys polarons polyacetylene polyenes polypyrrole polythiophene properties proton quantum quasi-particles Raman relaxation resonance Sect Solid State Commun soliton spectra spectrum spin density SSH model structure susceptibility symmetry Synth temperature theoretical theory trans-(CH trans-polyacetylene transition triplet valence bond values Vardeny