## Conjugated conducting polymers |

### From inside the book

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Page 12

microscopic theories and discuss the essential roles played by both electron-

phonon (e-p) and electron-electron (

leads to the crucial distinction between independent-electron theories and ...

microscopic theories and discuss the essential roles played by both electron-

phonon (e-p) and electron-electron (

**e-e**)**interactions**among the n electrons. Thisleads to the crucial distinction between independent-electron theories and ...

Page 27

Electron- Electron and Electron-Phonon Interaction: Peierls-Hubbard Hamil-

tonians. The SSH (or Hiickel) model can be interpreted in two different ways. One

can assert that the effective

Electron- Electron and Electron-Phonon Interaction: Peierls-Hubbard Hamil-

tonians. The SSH (or Hiickel) model can be interpreted in two different ways. One

can assert that the effective

**e-e interactions**are negligible and thus that the ...Page 94

Nonetheless, it is clear that both e-p and

each of these materials.3 d) Theoretical Perspective on Subgap Excitations in

Optical Absorption In our previous discussion we have already indicated that the

...

Nonetheless, it is clear that both e-p and

**e-e interactions**play substantial roles ineach of these materials.3 d) Theoretical Perspective on Subgap Excitations in

Optical Absorption In our previous discussion we have already indicated that the

...

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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