## Conjugated Conducting Polymers |

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Page 41

and the discreteness of the lattice is not important . The continuum

the difference equations become differential equations , is then appropriate . In

this

.

and the discreteness of the lattice is not important . The continuum

**limit**, in whichthe difference equations become differential equations , is then appropriate . In

this

**limit**, one can obtain analytic solutions for kinks and other local structures [ 2.

Page 88

In the

particle - hole excitations , the lowest - lying triplet excitation is a ' B , state which ,

in the absence of lattice relaxation effects and independent of chain length ...

In the

**limit**of no e - e interactions but in the presence of a ( Peierls ) gap for theparticle - hole excitations , the lowest - lying triplet excitation is a ' B , state which ,

in the absence of lattice relaxation effects and independent of chain length ...

Page 96

With both U and V , present the soliton - induced absorptions in the strongly

correlated

, the correlated state corresponding to the bipolaron is still expected to have two

intra ...

With both U and V , present the soliton - induced absorptions in the strongly

correlated

**limit**are still at zero energy and at the band edge ~ U - V . Interestingly, the correlated state corresponding to the bipolaron is still expected to have two

intra ...

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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