Conjugated Conducting PolymersHelmut G. Kiess, Dionys Baeriswyl |
From inside the book
Results 1-3 of 90
Page 84
... coupling , the ground state consists of purely covalent valence bond diagrams with no double occupancies but ( since the band is half filled ) all sites singly occupied . Since the current operator mediating the optical transition ...
... coupling , the ground state consists of purely covalent valence bond diagrams with no double occupancies but ( since the band is half filled ) all sites singly occupied . Since the current operator mediating the optical transition ...
Page 96
... coupling ( ~ U / l ) to the strong coupling ~ U behaviour . With both U and V , present the soliton - induced absorptions in the strongly correlated limit are still at zero energy and at the band edge ~ U V1 . Interestingly , the ...
... coupling ( ~ U / l ) to the strong coupling ~ U behaviour . With both U and V , present the soliton - induced absorptions in the strongly correlated limit are still at zero energy and at the band edge ~ U V1 . Interestingly , the ...
Page 107
... coupling is sufficient to sustain the long - range order up to a critical temperature which is not much smaller than the mean - field expression T , = 0.56740 / kg≈ 5000 K. One obvious question concerns the nature of this inter - chain ...
... coupling is sufficient to sustain the long - range order up to a critical temperature which is not much smaller than the mean - field expression T , = 0.56740 / kg≈ 5000 K. One obvious question concerns the nature of this inter - chain ...
Contents
Introduction | 1 |
An Overview of the Theory of лConjugated Polymers | 7 |
7 | 65 |
Copyright | |
11 other sections not shown
Other editions - View all
Common terms and phrases
A.J. Heeger atoms Baeriswyl band band gap behaviour bipolarons bond alternation bond lengths calculations chain charged solitons Chem chemical shift cis-(CH conducting polymers configuration conjugated polymers Coulomb interactions 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 Hamiltonian Hartree-Fock hopping Hubbard model Hückel inter-chain kink lattice Lett linewidth magnetic Metals molecular molecules neutral solitons nonlinear nonlinear optical nuclear observed obtained one-dimensional optical absorption optical gap 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 Solid State Commun spectra spectrum spin density SSH model structure susceptibility symmetry Synth temperature theoretical theory trans trans-(CH trans-polyacetylene transition triplet valence bond values Vardeny