Resonant Light Scattering and Luminescence in Weakly Coupled Localized Electron-Phonon System. II
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概要
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By extending a previous paper such that the condition of the weak couplinglimit is relaxed, the relationship between resonant light scattering and luminescenceis studied in a localized electron-phonon system with quadratic interaction. Thetotal light scattering spectrum is decomposed into successive terms of .5. represent-log the effect of the z-th order multiple phonon scattering in the intermediatestate. It is shown that the line shape of .5. changes gradually with n and approaches,for sufficiently large n, the luminescence spectrum. Effects of changes in the. electron-phonon interaction strength, sharpness of the phonon density of statesand radiative damping on the approach of .5. to the luminescence limit are studied.The validity of the approximate calculation employed here is discussed in coo-ixection with a sum rule and a comparison of absorption spectra calculated withsome different approximation methods.
- 社団法人日本物理学会の論文
- 1980-01-15
著者
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Kotani Akio
The Research Institute For Iron Steel And Other Metals Tohoku University
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SUZUKI Michitaka
The Research Institute for Iron,Steel and Other Metals,Tohoku University
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Suzuki Michitaka
The Research Institute For Iron Steel And Other Metals Tohoku University
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