Conjugated Conducting PolymersHelmut G. Kiess, Dionys Baeriswyl |
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Page 73
... theory , all usually referred to as resonating valence bond ( RVB ) theory , are being dis- cussed . In the present context we are dealing with spatial broken symmetries only , but it should be realized that the latter , in particular ...
... theory , all usually referred to as resonating valence bond ( RVB ) theory , are being dis- cussed . In the present context we are dealing with spatial broken symmetries only , but it should be realized that the latter , in particular ...
Page 95
... theory predicts three subgap transitions at 2wo , 40 - w 。 and 40 + wo ( Sect . 2.3.6 ) ; using weak - coupling perturbation theory , we find that the first two transitions remain unshifted , whereas the third is split into three ...
... theory predicts three subgap transitions at 2wo , 40 - w 。 and 40 + wo ( Sect . 2.3.6 ) ; using weak - coupling perturbation theory , we find that the first two transitions remain unshifted , whereas the third is split into three ...
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... Theory of Heavy Fermions and Valence Fluctuations Editors : T. Kasuya and T. Saso 63 Electronic Properties of Polymers and Related Compounds Editors : H. Kuzmany , M. Mehring , and S. Roth 64 Symmetries in Physics Group Theory Applied ...
... Theory of Heavy Fermions and Valence Fluctuations Editors : T. Kasuya and T. Saso 63 Electronic Properties of Polymers and Related Compounds Editors : H. Kuzmany , M. Mehring , and S. Roth 64 Symmetries in Physics Group Theory Applied ...
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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