Second Order Optical Processes in a Localized Electron-Phonon System : -Stationary Response-
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概要
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A second order optical process in a localized electron-phonon system is studiedunder a stationary excitation. A stochastic theory of vibrational relaxation atfinite temperature is constructed based upon a quantum mechanical treatment.We project the dynamical motion of the whole lattice system onto the stochasticmotion of a pseudo-local mode or a localized mode visualizing this mode as adamped harmonic oscillator which undergoes a Brownian motion. The overallemission spectrum is calculated and it is found that the relative intensities of theRaman scattering and luminescence components are determined competitivelyby two physical parameters, i.e., the radiative damping ratc and the vibrationalrelaxation rate. It is also discussed how the relative orders of magnitude amongvarious components of the secondary emission depend on the incident photonenergy and the temperature of phonon system.
- 社団法人日本物理学会の論文
- 1978-03-15
著者
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Kubo Ryogo
Department Of Physics Faculty Of Science University Of Tokyo
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TAKAGAHARA Toshihide
Department of Electronics and Information Science, Kyoto Institute of Technology
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Hanamura Eiichi
Department Of Applied Physics Faculty Of Engineering University Of Tokyo
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Hanamura Eiichi
Department Of Applied Physics Faculty Of Engineering The University Of Tokyo
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Kubo Ryogo
Department Of Physics Faculty Of Science And Technology Keio University
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Takagahara Toshihide
Department Of Applied Physics Faculty Of Engineering University Of Tokyo
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Kubo Ryogo
Department of Physics,Faculty of Science,University of Tokyo
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Hanamura Eiichi
Department of Applied Physics,Faculty of Engineering,University of Tokyo
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