Theoretical Aspects of Conducting Polymers: Electronic Structure and Defect States |
From inside the book
Results 1-3 of 26
Page 13
... and equilibrium bond length . This is indeed approximately observed as shown in Fig . 3 . However , such a parametrization would predict that ( 14 ) the force constants associated with the fully symmetri- cal vibrational 13 -
... and equilibrium bond length . This is indeed approximately observed as shown in Fig . 3 . However , such a parametrization would predict that ( 14 ) the force constants associated with the fully symmetri- cal vibrational 13 -
Page 25
... associated with bond length alternation only involve motion parallel to the chain axis if we keep the bond angles fixed . Therefore , the ground state configuration which does not deform bond angles can equally well be described in ...
... associated with bond length alternation only involve motion parallel to the chain axis if we keep the bond angles fixed . Therefore , the ground state configuration which does not deform bond angles can equally well be described in ...
Page 30
... associated with an effective bandwidth . This cut - off will be essential for the properties of the ground state , in particular the value of the gap parameter which , according to Eq . ( 25 ) , is proportional to the bandwidth . On the ...
... associated with an effective bandwidth . This cut - off will be essential for the properties of the ground state , in particular the value of the gap parameter which , according to Eq . ( 25 ) , is proportional to the bandwidth . On the ...
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