Conjugated Conducting PolymersHelmut G. Kiess, Dionys Baeriswyl |
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Page 38
... kink solutions are stable : it is impossible to produce a single kink from the ground state of an even - numbered ring ( or of an infinite chain with the same boundary conditions at x → ∞ ) . However , single ' kinks ' do exist as the ...
... kink solutions are stable : it is impossible to produce a single kink from the ground state of an even - numbered ring ( or of an infinite chain with the same boundary conditions at x → ∞ ) . However , single ' kinks ' do exist as the ...
Page 45
... kink soliton solutions in this material . This follows from elementary energetic arguments : namely , the existence of an isolated kink soliton would require an infinitely long segment of the trans - cisoid configuration ( shown in Fig ...
... kink soliton solutions in this material . This follows from elementary energetic arguments : namely , the existence of an isolated kink soliton would require an infinitely long segment of the trans - cisoid configuration ( shown in Fig ...
Page 46
... kink and anti - kink . In addition to the charged bipolarons , there exist neutral confined kink / anti - kink structures , as shown in the rightmost inset of Fig . 2.17 . Electronically , these correspond to electron - hole pairs bound ...
... kink and anti - kink . In addition to the charged bipolarons , there exist neutral confined kink / anti - kink structures , as shown in the rightmost inset of Fig . 2.17 . Electronically , these correspond to electron - hole pairs bound ...
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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