Conjugated Conducting PolymersHelmut G. Kiess, Dionys Baeriswyl |
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Page 41
... limit , in which the difference equations become differential equations , is then appropriate . In this limit , one can obtain analytic solutions for kinks and other local structures [ 2.81-86 ] . It is worthwhile to indicate how the ...
... limit , in which the difference equations become differential equations , is then appropriate . In this limit , one can obtain analytic solutions for kinks and other local structures [ 2.81-86 ] . It is worthwhile to indicate how the ...
Page 88
... limit of no e - e interactions but in the presence of a ( Peierls ) gap for the particle - hole excitations , the lowest - lying triplet excitation is a 3B state which , in the absence of lattice relaxation effects and independent of ...
... limit of no e - e interactions but in the presence of a ( Peierls ) gap for the particle - hole excitations , the lowest - lying triplet excitation is a 3B state which , in the absence of lattice relaxation effects and independent of ...
Page 96
... limit of zero bond alternation ) the other at U – 2V1 . On the other hand , in this strong coupling ( undimerized ) limit , the charged even chain ( the correlated analogue of a polaron ) will in fact absorb at the same energy , at zero ...
... limit of zero bond alternation ) the other at U – 2V1 . On the other hand , in this strong coupling ( undimerized ) limit , the charged even chain ( the correlated analogue of a polaron ) will in fact absorb at the same energy , at zero ...
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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