Conjugated Conducting PolymersHelmut G. Kiess, Dionys Baeriswyl |
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Page 56
... Hubbard Hamiltonian decomposes into two mutually independent terms , a tight - binding Hamiltonian for N spinless fermions on N , sites and a Heisenberg spin Hamiltonian with a density - dependent exchange integral J [ 2.148 , 149 ] ...
... Hubbard Hamiltonian decomposes into two mutually independent terms , a tight - binding Hamiltonian for N spinless fermions on N , sites and a Heisenberg spin Hamiltonian with a density - dependent exchange integral J [ 2.148 , 149 ] ...
Page 119
... Hubbard model for arbitrary electron density and large U. Phys . Rev. B 37 , 7541-7548 ( 1988 ) 2.123 A.A. Ovchinnikov : Excitation spectrum in the one - dimensional Hubbard model . Zh . Eksp . Teor . Fiz . 57 , 2137-2143 ( 1969 ) [ Sov ...
... Hubbard model for arbitrary electron density and large U. Phys . Rev. B 37 , 7541-7548 ( 1988 ) 2.123 A.A. Ovchinnikov : Excitation spectrum in the one - dimensional Hubbard model . Zh . Eksp . Teor . Fiz . 57 , 2137-2143 ( 1969 ) [ Sov ...
Page 120
... Hubbard model . Phys . Rev. B 8 , 2236-2247 ( 1973 ) 2.137 L. Hulthen : Über das Austauschproblem eines Kristalls . Arkiv Mat . Astron . Fysik 26A , A ( 1938 ) 2.138 M. Takahashi : Magnetization curve for the half - filled Hubbard model ...
... Hubbard model . Phys . Rev. B 8 , 2236-2247 ( 1973 ) 2.137 L. Hulthen : Über das Austauschproblem eines Kristalls . Arkiv Mat . Astron . Fysik 26A , A ( 1938 ) 2.138 M. Takahashi : Magnetization curve for the half - filled Hubbard model ...
Contents
Introduction | 1 |
Solitons Polarons and Bipolarons | 36 |
7 | 65 |
Copyright | |
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A.J. Heeger A.R. Bishop atoms Baeriswyl band band gap behaviour bipolarons bond alternation bond lengths calculations chain charge carriers charged solitons Chem chemical shift cis-(CH coefficient conducting polymers configuration conjugated polymers Coulomb interaction coupling Cryst D.K. Campbell defects dependence dimerization discussed dopant doping doping levels e-e interactions electron correlation electron spin electron-electron interactions electron-phonon ENDOR energy excitations exciton experimental finite polyenes frequency function G.L. Baker Hamiltonian Hartree-Fock hopping Hubbard model Hückel inter-chain kink lattice Lett linewidth magnetic Metals molecular neutral solitons nonlinear nuclear observed obtained one-dimensional optical absorption optical gap pair parameters peak Peierls Peierls-Hubbard model phonon Phys polarons polyacetylene polyenes polypyrrole polythiophene properties proton quantum quasi-particles Raman relaxation resonance Sect Solid State Commun soliton spectra spectrum spin density SSH model structure susceptibility symmetry Synth temperature theoretical theory trans-(CH trans-polyacetylene transition triplet valence bond values Vardeny