## Conjugated Conducting Polymers |

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Page 64

Hence one is in general immediately forced to develop and apply numerical

methods to carry out these

numerical methods which are in principle exact in that they make no a priori ...

Hence one is in general immediately forced to develop and apply numerical

methods to carry out these

**studies**. Here we discuss two important classes ofnumerical methods which are in principle exact in that they make no a priori ...

Page 69

226 ] , C13 nutational NMR

oriented films [ 2 . 228 ] , one finds consistent values of yo ~ 0 . 058 . In order to

facilitate the subsequent discussion , we introduce the dimensionless bond

alternation ...

226 ] , C13 nutational NMR

**studies**[ 2 . 227 ] and X - ray analysis of highlyoriented films [ 2 . 228 ] , one finds consistent values of yo ~ 0 . 058 . In order to

facilitate the subsequent discussion , we introduce the dimensionless bond

alternation ...

Page 70

The analytic

[ 2 . 167 , 176 ] , field - theoretical techniques involving the summation of whole

classes of diagrams ( in the continuum limit ) [ 2 . 179 , 180 ] and variational ...

The analytic

**studies**can be subdivided into perturbation expansions about U = 0[ 2 . 167 , 176 ] , field - theoretical techniques involving the summation of whole

classes of diagrams ( in the continuum limit ) [ 2 . 179 , 180 ] and variational ...

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### Contents

Introduction | 1 |

An Overview of the Theory of rConjugated Polymers | 7 |

References | 114 |

Copyright | |

7 other sections not shown

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### Common terms and phrases

absorption addition applied approach approximation atoms band behaviour bipolarons bond bond alternation calculations carriers chain charged chemical concentration conductivity configuration conjugated polymers contribution correlation corresponding Coulomb Coulomb interactions coupling decreases defects density dependence described determined dimerization discussed dopant doping effects electron electron-electron energy excitations expected experimental experiments field finite frequency function give ground Hamiltonian hopping Hubbard important increase indicated interactions interpretation involving lattice leads length Lett limit localized magnetic materials measurements metallic methods modes molecules motion neutral nuclear observed obtained optical pair parameter peak phonon Phys Physics polarons polyacetylene polyenes polymers position properties range relaxation resonance respect samples Sect separation shift shown shows similar single soliton spectra spectrum spin structure studies symmetry Synth temperature theoretical theory trans-(CH transition units valence values whereas