Conjugated Conducting PolymersHelmut G. Kiess, Dionys Baeriswyl |
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Page 78
... soliton is given by ( 2.52 ) . Within the independent - electron theories , neutral and charged solitons are energetically degenerate , have the same spatial extent , and are distinguished only by the spin or charge densities ...
... soliton is given by ( 2.52 ) . Within the independent - electron theories , neutral and charged solitons are energetically degenerate , have the same spatial extent , and are distinguished only by the spin or charge densities ...
Page 96
... soliton . Hence , in contrast to the behaviour expected in the independent - electron case , in this strong coupling limit the polaron would look optically like a charged soliton . We stress that this statement does not imply that ...
... soliton . Hence , in contrast to the behaviour expected in the independent - electron case , in this strong coupling limit the polaron would look optically like a charged soliton . We stress that this statement does not imply that ...
Page 208
... soliton lattice is formed in the ordered regions . The soliton lattice would manifest itself in a soliton band and would allow optical transitions from the soliton band to the conduction band with a first peak at 0.64 4。 and a second ...
... soliton lattice is formed in the ordered regions . The soliton lattice would manifest itself in a soliton band and would allow optical transitions from the soliton band to the conduction band with a first peak at 0.64 4。 and a second ...
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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