Resonance Enhancement of Inelastic X-Ray Scatterings Induced by Strong Visible Lights

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概要

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• A theory for resonant inelastic X-ray scatterings induced by very strong visible lights in an insulating solid is formulated by using a perturbation method for electron-photon interaction. This theory describes a series of succesive processes ; an X-ray absorption from a core state to a wide conduction band, two emissions of a visible photon induced by the laser lights within the conduction band, and a returning X-ray emission back to the core state. The scattering is shown to be enhanced greatly by the core exciton effect. This enhancement results in two peaks in the scattering spectrum, and they correspond to the resonances to this exciton level at the initial state and at the final state of the excited electron. These new results are discussed in connection with the recent experiments on the 2p-5d transition of gadolinium ion in gadolinium gallium garnet (Gd_3Ga_5O_<12>).

• 社団法人日本物理学会の論文
• 1994-06-15

著者

• Nasu Keiichiro

  Photon Factory National Laboratory For High Energy Physics Graduate University For Advanced Studies

• Nasu Keiichiro

  Photon Factory National Laboratory For High Energy Physics The Graduate University For Advanced Stud

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• Theory for Exciton Effects on Optical Absorption Spectra of C_ Molecule and C_ Crystal
• Formulation of a New Theory for Optical Response and Exciton Effects in Insulating States Coming from Strong Electron-Phonon and Inter-Electron Interactions
• Resonance Enhancement of Inelastic X-Ray Scatterings Induced by Strong Visible Lights

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