Conjugated Conducting Polymers |
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Page 64
Hence one is in general immediately forced to develop and apply numerical
methods to carry out these studies . Here we discuss two important classes of
numerical methods which are in principle exact in that they make no a priori ...
Hence one is in general immediately forced to develop and apply numerical
methods to carry out these studies . Here we discuss two important classes of
numerical methods which are in principle exact in that they make no a priori ...
Page 69
226 ] , C13 nutational NMR studies [ 2 . 227 ] and X - ray analysis of highly
oriented films [ 2 . 228 ] , one finds consistent values of yo ~ 0 . 058 . In order to
facilitate the subsequent discussion , we introduce the dimensionless bond
alternation ...
226 ] , C13 nutational NMR studies [ 2 . 227 ] and X - ray analysis of highly
oriented films [ 2 . 228 ] , one finds consistent values of yo ~ 0 . 058 . In order to
facilitate the subsequent discussion , we introduce the dimensionless bond
alternation ...
Page 70
The analytic studies can be subdivided into perturbation expansions about U = 0
[ 2 . 167 , 176 ] , field - theoretical techniques involving the summation of whole
classes of diagrams ( in the continuum limit ) [ 2 . 179 , 180 ] and variational ...
The analytic studies can be subdivided into perturbation expansions about U = 0
[ 2 . 167 , 176 ] , field - theoretical techniques involving the summation of whole
classes of diagrams ( in the continuum limit ) [ 2 . 179 , 180 ] and variational ...
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Contents
Introduction | 1 |
An Overview of the Theory of rConjugated Polymers | 7 |
References | 114 |
Copyright | |
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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