Conjugated Conducting PolymersHelmut G. Kiess, Dionys Baeriswyl |
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Page 68
... phonon or by electron - electron interactions . The manner in which the inter - site phonons in the SSH model produce , via the Peierls mechanism , the dimerized BOW ground state has been discussed in detail in Sect . 2.3 . Similarly ...
... phonon or by electron - electron interactions . The manner in which the inter - site phonons in the SSH model produce , via the Peierls mechanism , the dimerized BOW ground state has been discussed in detail in Sect . 2.3 . Similarly ...
Page 180
... phonon interaction prevails , then the optical gap of trans- ( CH ) , is calculated to be only 0.1 eV in contrast to the measured gap of 1-2 eV . Realizing this , Ovchinnikov et al . [ 4.8 ] had argued that correlation effects alone ...
... phonon interaction prevails , then the optical gap of trans- ( CH ) , is calculated to be only 0.1 eV in contrast to the measured gap of 1-2 eV . Realizing this , Ovchinnikov et al . [ 4.8 ] had argued that correlation effects alone ...
Page 186
... phonon of frequency w is created such that w ; = ∞ , + w . The scattering mechanism involves therefore virtual electronic transitions due to the absorption of the incident photon w ,, the creation of the phonon w and the emission of ...
... phonon of frequency w is created such that w ; = ∞ , + w . The scattering mechanism involves therefore virtual electronic transitions due to the absorption of the incident photon w ,, the creation of the phonon w and the emission of ...
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Common terms and phrases
A.J. Heeger atoms Baeriswyl band band gap behaviour bipolarons bond alternation bond lengths calculations chain charge carriers charged solitons Chem chemical shift cis-(CH conducting polymers configuration conjugated polymers Coulomb interaction coupling Cryst D.K. Campbell decreases defects dimerization discussed dopant dopant concentration dopant molecules 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 Kivelson lattice Lett linewidth magnetic metallic molecular neutral solitons nonlinear nonlinear optical nuclear observed 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 Solid State Commun spectra spectrum spin density SSH model susceptibility symmetry Synth theoretical theory thermoelectric coefficient trans trans-(CH trans-polyacetylene transition triplet valence bond values Vardeny