Theoty of Resonance Raman Scattering and Luminescence of Exciton in Self-Trapping Process

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概要

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• The resonance secondary-radiation spectrum (RSRS) for stationary excitationis formulated for exciton with coexisting free and self-trapped states. The excitonGreen function is given by interpolating between the self-energy obtained by thelowest-order propagator expansion and that obtained by the lowest-order locatorexpansion. The double-particle Green function for the RSRS is obtained coo-sistently with the approximation mentioned above. The RSRS is composed oftwo parts : One describing the Raman scattering and the hot (or cold) luminescencefrom the free-exciton state, and another factorized into the product of the absorp-lion and the ordinary-luminescence spectra. When the incident photon energyE. is lower enough than the absorption-peak energy E., the RSRS is approxi-mated by the sum of the Raman scattering and the ordinary luminescence whichis composed of the free-exciton and the Stokes-shifted luminescences. WhenE.>E p. , the free-exciton luminescence is enhanced, dominated by the hot (orcold) luminescence.

• 社団法人日本物理学会の論文
• 1979-11-15

著者

• Sumi Atsuko

  Institute For Solid State Physics The University Of Tokyo

関連論文

• A New Phase of Exciton Polarons Intermediate between Free and Self-Trapped Ones in the F.C.C.Lattice
• The Urbach-Martienssen Rule Revisited
• Crystal-Size Dependence of Optical Spectra through Radiative Decay of Excitons
• Theoty of Resonance Raman Scattering and Luminescence of Exciton in Self-Trapping Process
• Duality in Resonance Raman Scattering

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