Conjugated Conducting PolymersHelmut G. Kiess, Dionys Baeriswyl |
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Page 19
... valence effective Hamiltonian ” ( VEH ) , which includes explicitly only the valence electrons [ 2.8 , 40 ] . The single - particle potential is assumed to act in a reduced function space ; typically Gaussian functions are used with ...
... valence effective Hamiltonian ” ( VEH ) , which includes explicitly only the valence electrons [ 2.8 , 40 ] . The single - particle potential is assumed to act in a reduced function space ; typically Gaussian functions are used with ...
Page 73
... Valence Bond Interpretation : Barrier to Resonance . Since the discovery of high - temperature superconductivity , there has been a resurgence of interest in valence bond theory , originally formulated by Pauling [ 2.235 ] . In the ...
... Valence Bond Interpretation : Barrier to Resonance . Since the discovery of high - temperature superconductivity , there has been a resurgence of interest in valence bond theory , originally formulated by Pauling [ 2.235 ] . In the ...
Page 124
... valence linear chain complexes . J. Phys . C 21 , 339–356 ( 1988 ) 2.226 C.R. Fincher , C.-E. Chen , A.J. Heeger , A.C. MacDiarmid , J.B. Hastings : Struc- tural determination of the symmetry breaking parameter in trans- ( CH ) × · Phys ...
... valence linear chain complexes . J. Phys . C 21 , 339–356 ( 1988 ) 2.226 C.R. Fincher , C.-E. Chen , A.J. Heeger , A.C. MacDiarmid , J.B. Hastings : Struc- tural determination of the symmetry breaking parameter in trans- ( CH ) × · Phys ...
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A.J. Heeger atoms Baeriswyl band gap behaviour bipolarons bond alternation bond lengths calculations chain charge carriers charged solitons Chem chemical shift cis-(CH conducting polymers conjugated polymers correlation Coulomb interaction coupling Cryst D.K. Campbell defects dielectric function diffusion dimerization discussed dopant dopant concentration dopant molecules doping doping levels e-e interactions effects electron correlation electron spin electron-electron interactions electron-phonon ENDOR energy excitations exciton experimental frequency function Hamiltonian Hartree-Fock hopping Hubbard model Hückel hyperfine interactions inter-chain Kivelson lattice Lett linewidth magnetic metallic molecular neutral solitons nonlinear nonlinear optical nuclear observed obtained one-dimensional optical absorption optical gap parameters peak Peierls Peierls-Hubbard model phonon Phys polarons polyacetylene polyenes polypyrrole polythiophene properties proton quantum quasi-particles Raman resonance samples Sect shown in Fig spectra spectrum spin density structure symmetry Synth tensor theory trans trans-(CH trans-polyacetylene transition valence values Vardeny