Theoretical Aspects of Conducting Polymers: Electronic Structure and Defect States |
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Page 56
... exciton " ( Fig . 10 ) which is a bound state of oppositely charged defects where both levels are singly occupied . In the latter case Coulomb forces would naturally enhance the binding and lead to confinement also for the trans isomer ...
... exciton " ( Fig . 10 ) which is a bound state of oppositely charged defects where both levels are singly occupied . In the latter case Coulomb forces would naturally enhance the binding and lead to confinement also for the trans isomer ...
Page 76
... exciton problem has been addressed by Ukrainskii ( 1981 ) who concludes that the triplet exciton is strongly bound due to the on - site interaction U whereas the binding of the singlet exciton depends sensitively on the value of the ...
... exciton problem has been addressed by Ukrainskii ( 1981 ) who concludes that the triplet exciton is strongly bound due to the on - site interaction U whereas the binding of the singlet exciton depends sensitively on the value of the ...
Page 84
... exciton · state is illustrated in Fig.10 . The energy E + AE can be interpreted as a potential energy for the relative kink - antikink movement . The eigenfrequencies for this motion have been recently calculated by Maki ( 1983 ) and ...
... exciton · state is illustrated in Fig.10 . The energy E + AE can be interpreted as a potential energy for the relative kink - antikink movement . The eigenfrequencies for this motion have been recently calculated by Maki ( 1983 ) and ...
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