Conjugated Conducting Polymers |
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Page 31
corresponding to a constant bond order 1 1 / 2 Puti ) = Po = - dk cos k = - . ( 2 . 33
) - R / 2 From ( 2 . 29 ) the equilibrium bond length ro is determined by the
solution to dt - - 2p0 = = 0 . ( 2 . 34 ) dr dr The length r , can be identified with the ...
corresponding to a constant bond order 1 1 / 2 Puti ) = Po = - dk cos k = - . ( 2 . 33
) - R / 2 From ( 2 . 29 ) the equilibrium bond length ro is determined by the
solution to dt - - 2p0 = = 0 . ( 2 . 34 ) dr dr The length r , can be identified with the ...
Page 59
3 for the Hückel model , remains exactly the same for the Peierls - Hubbard
model , provided that the bond order is calculated for the full Hamiltonian . The
proof uses the Hellmann - Feynman theorem according to which the derivative of
the ...
3 for the Hückel model , remains exactly the same for the Peierls - Hubbard
model , provided that the bond order is calculated for the full Hamiltonian . The
proof uses the Hellmann - Feynman theorem according to which the derivative of
the ...
Page 73
The reason for this coexistence of the BOW and the SDW is implicit in the valence
bond description of broken symmetry [ 2 . 155 , 173 , 204 ] . Here we discuss it
explicitly , since apart from providing physical insight into the BOW and SDW ...
The reason for this coexistence of the BOW and the SDW is implicit in the valence
bond description of broken symmetry [ 2 . 155 , 173 , 204 ] . Here we discuss it
explicitly , since apart from providing physical insight into the BOW and SDW ...
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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
Bibliographic information
| Title | Conjugated Conducting Polymers Volume 102 of Lecture Notes in Artificial Intelligence Volume 102 of Solid-State Sciences Series Volume 102 of Springer series in solid-state sciences, ISSN 0171-1873 |
| Editors | Helmut G. Kiess, Dionys Baeriswyl |
| Edition | illustrated |
| Publisher | Springer-Verlag, 1992 |
| Original from | the University of Michigan |
| Digitized | 26 Nov 2007 |
| ISBN | 0387535942, 9780387535944 |
| Length | 310 pages |
| Subjects | › › Science / Physics / General |
| Export Citation | BiBTeX EndNote RefMan |