## Conjugated conducting polymers |

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Page 48

1 8 and [2.99] ) the two localized electronic levels (at ± co0) lead to three distinct

infra-gap absorptions, for which analytic expressions are available [2.99] in the

continuum limit: (1) a,, a ^-function

1 8 and [2.99] ) the two localized electronic levels (at ± co0) lead to three distinct

infra-gap absorptions, for which analytic expressions are available [2.99] in the

continuum limit: (1) a,, a ^-function

**transition**at co = 2co0, (2) a2, a (strong) low ...Page 95

U on the

hand, if localized states are involved, since the local densities differ in general,

there is a shift in the optical

the ...

U on the

**transition**energy, in agreement with (2.88) and (2.89). On the otherhand, if localized states are involved, since the local densities differ in general,

there is a shift in the optical

**transition**. Consider as an example the**transition**fromthe ...

Page 229

(5.1.41) The line splitting is the same for both

be determined from either spectrum. However, if more than one nuclear spin is

coupled to an electron spin, the situation changes. For N equivalent nuclear

spins ...

(5.1.41) The line splitting is the same for both

**transitions**, i.e. Azz can in principlebe determined from either spectrum. However, if more than one nuclear spin is

coupled to an electron spin, the situation changes. For N equivalent nuclear

spins ...

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### Contents

Introduction | 1 |

An Overview of the Theory of Conjugated Polymers | 7 |

References | 114 |

Copyright | |

6 other sections not shown

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### Common terms and phrases

A.J. Heeger AsF5 atoms 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 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 finite polyenes frequency function Hamiltonian Hartree-Fock Heeger Hiickel hopping Hubbard model hyperfine interactions inter-chain kink lattice Lett linewidth magnetic Metals molecular neutral solitons nonlinear 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 Solid State Commun soliton spectra spectrum spin density SSH model structure symmetry Synth temperature theoretical theory trans-(CH)x transition triplet valence bond values Vardeny