Theoretical Aspects of Conducting Polymers: Electronic Structure and Defect States |
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Page 27
... continuum description in terms of field variables should be appropriate . The continuum limit has the advantage that many results can be obtained analytically ( Brazovskii 1978 , Takayama et al . 1980 , Horovitz 1981 , Brazovskii and ...
... continuum description in terms of field variables should be appropriate . The continuum limit has the advantage that many results can be obtained analytically ( Brazovskii 1978 , Takayama et al . 1980 , Horovitz 1981 , Brazovskii and ...
Page 39
... continuum limit yields a very good representation of the discrete model , both for the ground state and for fluctuations with | ga | << 1 . In order to get the spectrum we have to add the kinetic energy of the lattice which , if written ...
... continuum limit yields a very good representation of the discrete model , both for the ground state and for fluctuations with | ga | << 1 . In order to get the spectrum we have to add the kinetic energy of the lattice which , if written ...
Page 51
... continuum limit . The most simple of these defects is the polaron which is created by adding an electron ( or a hole ) to the ground state and by allowing the system to relax locally . It has been observed in numerical simulations by Su ...
... continuum limit . The most simple of these defects is the polaron which is created by adding an electron ( or a hole ) to the ground state and by allowing the system to relax locally . It has been observed in numerical simulations by Su ...
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