Conjugated Conducting PolymersHelmut G. Kiess, Dionys Baeriswyl |
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Page 53
... correlation functions , which are difficult to obtain using Bethe ansatz techniques . Thus one has to rely on approximate analytical methods or numerical simulations . Figure 2.22 shows the spin - spin correlation function as obtained ...
... correlation functions , which are difficult to obtain using Bethe ansatz techniques . Thus one has to rely on approximate analytical methods or numerical simulations . Figure 2.22 shows the spin - spin correlation function as obtained ...
Page 122
... Correlation effects on bond alternation in polyacetylene . Phys . Rev. B. 24 , 7351-7360 ( 1981 ) 2.191 D. Baeriswyl , K. Maki : Electron correlations in polyacetylene . Phys . Rev. B 31 , 6633-6642 ( 1985 ) 2.192 D. Baeriswyl , K. Maki ...
... Correlation effects on bond alternation in polyacetylene . Phys . Rev. B. 24 , 7351-7360 ( 1981 ) 2.191 D. Baeriswyl , K. Maki : Electron correlations in polyacetylene . Phys . Rev. B 31 , 6633-6642 ( 1985 ) 2.192 D. Baeriswyl , K. Maki ...
Page 225
... correlation functions and it is often useful to distinguish them by their different q vectors : g ( q , t ) = < Sq ( t ) S − q ( 0 ) ) . Since the spin resonance is a local property we arrive at ( 5.1.25 ) J ( o ) Re = { ! I dtg ( t ) ...
... correlation functions and it is often useful to distinguish them by their different q vectors : g ( q , t ) = < Sq ( t ) S − q ( 0 ) ) . Since the spin resonance is a local property we arrive at ( 5.1.25 ) J ( o ) Re = { ! I dtg ( t ) ...
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Common terms and phrases
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