## Conjugated conducting polymers |

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Page 21

Below we will discuss various approximations which neglect the multicentre

integrals, i.e. those involving more than two different sites. Secondly, both the

matrix elements tm „ and Vij kl depend on the nuclear ion

is ...

Below we will discuss various approximations which neglect the multicentre

integrals, i.e. those involving more than two different sites. Secondly, both the

matrix elements tm „ and Vij kl depend on the nuclear ion

**configuration**{Rx}; thisis ...

Page 63

Within the context of Hartree-Fock approaches, the

method has been used to go beyond the independent-electron level. The

electron-electron interaction terms in the many-body Hamiltonian will couple

different ...

Within the context of Hartree-Fock approaches, the

**configuration**interaction (CI)method has been used to go beyond the independent-electron level. The

electron-electron interaction terms in the many-body Hamiltonian will couple

different ...

Page 75

In each case the two extreme

by a successive application of H1 ~e, yielding a series of intermediate states with

the symmetric

In each case the two extreme

**configurations**can be transformed into each otherby a successive application of H1 ~e, yielding a series of intermediate states with

the symmetric

**configuration**half-way between the extremes. One can represent ...### What people are saying - Write a review

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### Contents

Introduction | 1 |

An Overview of the Theory of Conjugated Polymers | 7 |

References | 114 |

Copyright | |

7 other sections not shown

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### Common terms and phrases

A.J. Heeger AsF5 atoms Baeriswyl band band gap behaviour bipolarons bond alternation bond lengths calculations CH)x chain charged solitons Chem chemical shift coefficient conducting polymers configuration conjugated polymers correlation Coulomb interactions coupling Cryst D.K. Campbell decreases defects dependence dimerization discussed dopant dopant concentration doping doping levels e-e interactions effects electron spin electron-electron interactions electron-phonon ENDOR energy excitations exciton experimental Fermi finite polyenes frequency function Hamiltonian Hartree-Fock Heeger hopping Hubbard model hyperfine interactions inter-chain kink lattice Lett linewidth magnetic metallic molecular neutral solitons nonlinear nonlinear optical nuclear observed obtained one-dimensional optical absorption optical gap parameter peak Peierls Peierls-Hubbard model phonon Phys polarons polyacetylene polyenes polypyrrole polythiophene properties proton quantum quasi-particles Raman relaxation resonance Sect shown in Fig soliton spectra spectrum spin density SSH model structure symmetry Synth temperature theoretical theory trans-(CH)x transition triplet valence bond values Vardeny