Theoretical Aspects of Conducting Polymers: Electronic Structure and Defect States |
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Page 55
... polaron state exhibits the conventional spin - charge characteristics : it has the charge of a single electron ( or hole ) and it carries spin . The polaron energy is easily obtained from Eq . ( 77 ) , Ep = 2√2 40 / π ≈ 0.94 , which ...
... polaron state exhibits the conventional spin - charge characteristics : it has the charge of a single electron ( or hole ) and it carries spin . The polaron energy is easily obtained from Eq . ( 77 ) , Ep = 2√2 40 / π ≈ 0.94 , which ...
Page 56
Electronic Structure and Defect States Dionys Baeriswyl. For finite y the polaron solution ( n − n + - = 1 ) remains ... polaron is well described in terms of the " frozen valence band " approximation ( Campbell et al . 1982 ) where it ...
Electronic Structure and Defect States Dionys Baeriswyl. For finite y the polaron solution ( n − n + - = 1 ) remains ... polaron is well described in terms of the " frozen valence band " approximation ( Campbell et al . 1982 ) where it ...
Page 57
... polaron states discussed by Holstein ( 1959 , 1981 ) . Polyacetylene however appears to correspond to the opposite limit where the polaron is a collective state involving a strong polarization of the valence band . The polaron mass can ...
... polaron states discussed by Holstein ( 1959 , 1981 ) . Polyacetylene however appears to correspond to the opposite limit where the polaron is a collective state involving a strong polarization of the valence band . The polaron mass can ...
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