K. Yonemitsu et Ar. Bishop, VIBRONIC, OPTICAL, AND MAGNETIC EXCITATIONS AROUND SOLITONS IN A ONE-DIMENSIONAL 2-BAND PEIERLS-HUBBARD MODEL, Progress of theoretical physics. Supplement, (113), 1993, pp. 155-165
Nonlinear doping states in a charge-density-wave background and those
in a spin-density-wave background are investigated through their respo
nse functions in vibronic, optical and magnetic channels in a one-dime
nsional two-band Peierls-Hubbard model. A random phase approximation i
s used for their analysis on the basis of totally unrestricted Hartree
-Fock solutions. Doping-induced changes of excitation spectra in these
different channels are distinctive to the nature of individual doping
states.