Conjugated Conducting PolymersHelmut G. Kiess, Dionys Baeriswyl |
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Page 58
... interactions ( in the ZDO approximation , as dis- cussed in Sect . 2.2 ) between electrons in Wannier orbitals on all pairs of sites and hence can model effects from strongly screened to pure Coulomb interactions . In practice , of ...
... interactions ( in the ZDO approximation , as dis- cussed in Sect . 2.2 ) between electrons in Wannier orbitals on all pairs of sites and hence can model effects from strongly screened to pure Coulomb interactions . In practice , of ...
Page 59
Helmut G. Kiess, Dionys Baeriswyl. and Coulomb interactions that ideally one would wish to exclude from deter- minations of to . In this particular case three - dimensionality and Coulomb repulsion have opposite effects on the apparent ...
Helmut G. Kiess, Dionys Baeriswyl. and Coulomb interactions that ideally one would wish to exclude from deter- minations of to . In this particular case three - dimensionality and Coulomb repulsion have opposite effects on the apparent ...
Page 87
... Coulomb interactions in the PDAs than in trans- ( CH ) ,, these materials are simply qualitatively different [ 2.176 ] . Since the screening affects mostly the long - range part of the interaction it is conceivable that the simple ...
... Coulomb interactions in the PDAs than in trans- ( CH ) ,, these materials are simply qualitatively different [ 2.176 ] . Since the screening affects mostly the long - range part of the interaction it is conceivable that the simple ...
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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 coefficient conducting polymers configuration conjugated polymers correlation Coulomb interactions coupling Cryst D.K. Campbell defects dependence dimerization discussed dopant doping doping levels e-e interactions effects electron spin electron-electron interactions electron-phonon ENDOR energy excitations exciton experimental Fermi finite polyenes frequency function ground Hamiltonian Hartree-Fock hopping Hubbard model Hückel independent-electron inter-chain kink lattice Lett linewidth magnetic metallic molecular neutral solitons nonlinear nonlinear optical nuclear observed obtained 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 shown in Fig soliton spectra spectrum spin density SSH model structure susceptibility symmetry Synth temperature theoretical theory trans trans-(CH trans-polyacetylene transition V₁ valence bond values Vardeny