## Conjugated Conducting Polymers |

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Page 53

The enhancement of x as a

increase of the effective mass in the small U limit , and of a ... 74 ) can be

considered as q = 0 response

magnetic fields .

The enhancement of x as a

**function**of U can be interpreted in terms of anincrease of the effective mass in the small U limit , and of a ... 74 ) can be

considered as q = 0 response

**functions**to , respectively , external electric andmagnetic fields .

Page 54

Bond - order response

different values of U , according to Hirsch and Scalapino ( 2 . 144 ] of the bond -

order response

Bond - order response

**function**for the half - filled Hubbard chain ( N = N , ) fordifferent values of U , according to Hirsch and Scalapino ( 2 . 144 ] of the bond -

order response

**function**re - emerges in the Peierls - Hubbard model , where ...Page 177

In these circumstances reflectivity measurements alone suffice in obtaining the

dielectric

experimental tool to acquire information on the electronic and vibronic properties

of ...

In these circumstances reflectivity measurements alone suffice in obtaining the

dielectric

**function**. Electron energy loss spectroscopy ( EELS ) is a furtherexperimental tool to acquire information on the electronic and vibronic properties

of ...

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### Contents

Introduction | 1 |

An Overview of the Theory of rConjugated Polymers | 7 |

References | 114 |

Copyright | |

6 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