Theoretical Aspects of Conducting Polymers: Electronic Structure and Defect States |
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Page 13
... functions f ( r ) and t ( r ) which repre- sent , respectively , the elastic energy of a σ - bond and the hopping ... function for t ( r ) . Eq . ( 12 ) would then imply a linear relationship between bond order and equilibrium bond ...
... functions f ( r ) and t ( r ) which repre- sent , respectively , the elastic energy of a σ - bond and the hopping ... function for t ( r ) . Eq . ( 12 ) would then imply a linear relationship between bond order and equilibrium bond ...
Page 45
... function , i.e. △ ( -L / 2 ) = -A ( L / 2 ) , we choose , in agreement with Eqs . ( 32 ) and ( 33 ) , the following ... functions f = u ν + iv v index v the BdG equations ( 38 ) become ε f + ε f_ = = ( -ihv , d / dx + i ^ ) f_ → £ + ...
... function , i.e. △ ( -L / 2 ) = -A ( L / 2 ) , we choose , in agreement with Eqs . ( 32 ) and ( 33 ) , the following ... functions f = u ν + iv v index v the BdG equations ( 38 ) become ε f + ε f_ = = ( -ihv , d / dx + i ^ ) f_ → £ + ...
Page
... function of on site ( U ) and nearest neighbour coupling ( V ) . MN and o denote Mataga - Nishimoto and Ohno parametrization , respectively . : Electronic density of states in the case of diagonal disorder for different impurity ...
... function of on site ( U ) and nearest neighbour coupling ( V ) . MN and o denote Mataga - Nishimoto and Ohno parametrization , respectively . : Electronic density of states in the case of diagonal disorder for different impurity ...
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