Theoretical Aspects of Conducting Polymers: Electronic Structure and Defect States |
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Page 44
Electronic Structure and Defect States Dionys Baeriswyl. 4.1 The Kink Solution Bond alternation defects interpolating between the two degenerate ground states ( Fig . 5 ) have been discussed a long time ago and several of their ...
Electronic Structure and Defect States Dionys Baeriswyl. 4.1 The Kink Solution Bond alternation defects interpolating between the two degenerate ground states ( Fig . 5 ) have been discussed a long time ago and several of their ...
Page 49
... defect has a spin 1/2 . On the other hand , the charged defects K , K do not carry spin . It is these unusual spin - charge assignments which make the kink defect so exotic . It becomes even more exotic in the case of spinless fermions ...
... defect has a spin 1/2 . On the other hand , the charged defects K , K do not carry spin . It is these unusual spin - charge assignments which make the kink defect so exotic . It becomes even more exotic in the case of spinless fermions ...
Page 76
Electronic Structure and Defect States Dionys Baeriswyl. It is quite clear from Eq . ( 86 ) that spinless defects such ... kink defect in the spin - Peierls regime and obtained similar results as in the absence of interaction both for its ...
Electronic Structure and Defect States Dionys Baeriswyl. It is quite clear from Eq . ( 86 ) that spinless defects such ... kink defect in the spin - Peierls regime and obtained similar results as in the absence of interaction both for its ...
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