Theoretical Aspects of Conducting Polymers: Electronic Structure and Defect States |
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Page 56
... Coulomb forces would naturally enhance the binding and lead to confinement also for the trans isomer ( Brazovskii and Kirova 1981 , Rice 1983 ) . Consider the limit y << 1 which seems to be appropriate for cis polyacetylene . = - For ...
... Coulomb forces would naturally enhance the binding and lead to confinement also for the trans isomer ( Brazovskii and Kirova 1981 , Rice 1983 ) . Consider the limit y << 1 which seems to be appropriate for cis polyacetylene . = - For ...
Page 69
... Coulomb interaction . Various parametrizations of the Coulomb interaction have been given ( Ohmine et al . 1978 ) ; for the formula proposed by Nishimoto and Nataga ( 1957 ) one obtains U 5.8 eV . Using this value together with the ...
... Coulomb interaction . Various parametrizations of the Coulomb interaction have been given ( Ohmine et al . 1978 ) ; for the formula proposed by Nishimoto and Nataga ( 1957 ) one obtains U 5.8 eV . Using this value together with the ...
Page 75
... Coulomb forces favour CDW's and tend to suppress SDW's ( Lee et al . 1977 ) ) . Therefore the " phase diagram " of Fig . 11 should not be taken as more than a qualitative representation of the dominant instabilities ( in the strictly ...
... Coulomb forces favour CDW's and tend to suppress SDW's ( Lee et al . 1977 ) ) . Therefore the " phase diagram " of Fig . 11 should not be taken as more than a qualitative representation of the dominant instabilities ( in the strictly ...
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