## Conjugated conducting polymers |

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Page 50

2.4.1 Ground State and

Hubbard model, the ground state and low- lying excited states are of particular

interest. We consider first the non-interacting limit (t/ = 0) where the ground state ...

2.4.1 Ground State and

**Excitation**Spectrum Among the many eigenstates of theHubbard model, the ground state and low- lying excited states are of particular

interest. We consider first the non-interacting limit (t/ = 0) where the ground state ...

Page 82

2.6.2 Electronic

-body system involve measurements of

section we shall discuss the theoretical expectations and experimental findings

for a ...

2.6.2 Electronic

**Excitations**and Excited States Most experiments probing a many-body system involve measurements of

**excitations**or excited states. In thissection we shall discuss the theoretical expectations and experimental findings

for a ...

Page 196

Since the formation of solitons is connected with a change of the density of states

in the conduction and valence band and the appearance of a level at midgap, it is

expected that the photo-

Since the formation of solitons is connected with a change of the density of states

in the conduction and valence band and the appearance of a level at midgap, it is

expected that the photo-

**excitation**leads to a bleaching at and above the band ...### 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