## Conjugated Conducting Polymers |

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Page 15

3 ) and solve this many - body problem approximately and ( 2 ) model

properties of which can hopefully be obtained in an accurate and controlled

manner . 2 . 2 .

3 ) and solve this many - body problem approximately and ( 2 ) model

**calculations**which replace ( 2 . 3 ) by a simpler , parametrized Hamiltonian , theproperties of which can hopefully be obtained in an accurate and controlled

manner . 2 . 2 .

Page 63

Here the large ( 2N - fold ) spin degeneracy renders the

[ 2 . 136 , 148 ] . Although

be immediately relevant to r - conjugated polymers , they are nonetheless very ...

Here the large ( 2N - fold ) spin degeneracy renders the

**calculations**non - trivial .[ 2 . 136 , 148 ] . Although

**calculations**performed in this limit are not expected tobe immediately relevant to r - conjugated polymers , they are nonetheless very ...

Page 251

Similar negative spin densities appear also in Hartree – Fock

126 ] , INDO

functional method [ 5 . 128 ] . A detailed discussion of electron - electron

correlation is ...

Similar negative spin densities appear also in Hartree – Fock

**calculations**( 5 .126 ] , INDO

**calculations**( 5 . 127 ] and**calculations**based on the densityfunctional method [ 5 . 128 ] . A detailed discussion of electron - electron

correlation is ...

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### Contents

Introduction | 1 |

An Overview of the Theory of rConjugated Polymers | 7 |

References | 114 |

Copyright | |

6 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