Theoretical Aspects of Conducting Polymers: Electronic Structure and Defect States |
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Page 40
... phonon dispersion curves by using inelastic neutron scattering . There is , however , indirect evidence for positive ... phonon coupling and the positive phonon dispersion play an essential role . 4. Intrinsic Defects The energy ...
... phonon dispersion curves by using inelastic neutron scattering . There is , however , indirect evidence for positive ... phonon coupling and the positive phonon dispersion play an essential role . 4. Intrinsic Defects The energy ...
Page 67
... phonons for describing the low temperature kink dynamics ( Maki 1982 ) . Furthermore , a realistic lattice dynamical calculation of phonon dispersion curves and eigenvectors has to include all possible atomic displacements and all ...
... phonons for describing the low temperature kink dynamics ( Maki 1982 ) . Furthermore , a realistic lattice dynamical calculation of phonon dispersion curves and eigenvectors has to include all possible atomic displacements and all ...
Page 75
... phonon coupling the mean - field approximation reproduces the exact phase diagram which can be traced back to the underlying symmetry of the Hamiltonian ( Baeriswyl and Formey 1980 ) , but these symmetry arguments fail when electron - ...
... phonon coupling the mean - field approximation reproduces the exact phase diagram which can be traced back to the underlying symmetry of the Hamiltonian ( Baeriswyl and Formey 1980 ) , but these symmetry arguments fail when electron - ...
Common terms and phrases
A.J. Heeger absorption amplitude approximation associated assume Baeriswyl band becomes Bishop bond alternation bond length bond order boundary calculations Campbell chain changes charge conducting configuration consider constant continuum limit correlation corresponds coupling defect density depend described determined dimerization discrete discuss disorder distortion dynamical effects electronic energy equation et al expected experiments extent field fluctuations force function given gives ground Hamiltonian hand Hückel impurity increasing integral interaction interchain coupling involved kink lattice leads Lett levels limit MacDiarmid Mele modes Notice observed obtained optical parameter particular Peierls phase phonon Phys Physics points polaron polyacetylene polymers potential presented produced properties proposed represents respect Rice Schrieffer self-consistency shown single Solid soliton solution strongly structure temperature theory whereas yields