Conjugated Conducting Polymers |
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Page 56
This correctly suggests that within the Hubbard model for non - zero U the
uniform ground state is unstable with respect to the formation of a 2kp BOW ( i . e
. dimerization ) , just as the simple Hückel theory is . Similarly , a variational
approach à ...
This correctly suggests that within the Hubbard model for non - zero U the
uniform ground state is unstable with respect to the formation of a 2kp BOW ( i . e
. dimerization ) , just as the simple Hückel theory is . Similarly , a variational
approach à ...
Page 119
115 J . C . Hicks , J . T . Gammel : Effects of the Hubbard interaction and
electrostatic pinning in polyacetylene . Phys . Rev . B 37 , 6315 - 6324 ( 1988 ) 2 .
116 K . Maki : Soliton diffusion in polyacetylene . Phys . Rev . B 26 , 2181 - 2191 ,
4539 ...
115 J . C . Hicks , J . T . Gammel : Effects of the Hubbard interaction and
electrostatic pinning in polyacetylene . Phys . Rev . B 37 , 6315 - 6324 ( 1988 ) 2 .
116 K . Maki : Soliton diffusion in polyacetylene . Phys . Rev . B 26 , 2181 - 2191 ,
4539 ...
Page 120
133 E . N . Economou , P . N . Poulopoulos : Ground - state energy of the half -
filled onedimensional Hubbard model . Phys . Rev . B 29 , 4756 - 4758 ( 1979 ) 2
. 134 M . Takahashi : On the exact ground state energy of Lieb and Wu . Prog .
133 E . N . Economou , P . N . Poulopoulos : Ground - state energy of the half -
filled onedimensional Hubbard model . Phys . Rev . B 29 , 4756 - 4758 ( 1979 ) 2
. 134 M . Takahashi : On the exact ground state energy of Lieb and Wu . Prog .
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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