## Conjugated Conducting Polymers |

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Page 31

29 ) the equilibrium bond

dt = 0 . ( 2 . 34 ) dr The

polyacetylene . Note that since dt / dr is less than zero ( the hopping is a ...

29 ) the equilibrium bond

**length**ro is determined by the solution to w dt dy – 2podt = 0 . ( 2 . 34 ) dr The

**length**r , can be identified with the average bond**length**ofpolyacetylene . Note that since dt / dr is less than zero ( the hopping is a ...

Page 34

rence

scale of the nonlinear excitations of the theory . If & » a , details on the scale of

the lattice spacing a are not expected to be crucial , and different polymers may ...

rence

**length**will determine not only the range of influence of defects but also thescale of the nonlinear excitations of the theory . If & » a , details on the scale of

the lattice spacing a are not expected to be crucial , and different polymers may ...

Page 238

The chain

role in the phenyl ring flipping energy . The role of lattice expansion in proton

second moments is rather difficult to ascertain . The contribution of one proton

due to ...

The chain

**length**and intermolecular packing in PPP seem to play an importantrole in the phenyl ring flipping energy . The role of lattice expansion in proton

second moments is rather difficult to ascertain . The contribution of one proton

due to ...

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### Contents

Introduction | 1 |

An Overview of the Theory of rConjugated Polymers | 7 |

IndependentElectron | 17 |

Copyright | |

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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 correlation corresponding Coulomb Coulomb interactions coupling decreases defects density dependence described determined dimerization discussed dopant doping effects electron electron-electron electron-phonon ENDOR energy excitations expected experimental experiments field finite frequency function give ground Hamiltonian hopping Hubbard hyperfine important increase indicated interactions interpretation involving lattice leads length Lett limit magnetic materials measurements metallic methods modes motion neutral nuclear observed obtained one-dimensional optical pair parameter peak phonon Phys physical polarons polyacetylene polyenes polymers position properties range relaxation resonance respect samples Sect shift shown shows similar single Solid soliton spectra spectrum spin structure studies symmetry Synth temperature theoretical theory trans-(CH transition units valence values whereas