Derivation and Characteristics of a Generalized Form of Susceptibility Used in the Analysis of Raman Line Shape for an Overdamped Mode

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概要

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• On the basis of Onsager's phenomenological equation of motion, the generalizedform of susceptibility is derived. This includes the damped harmonic oscillator(DHO), Van Vleck-Weisskorf and Fr6hlich suscer>tibilit>z (VWF) and Debyerelaxational model as different limiting cases, and is equivalent to that obtainedfrom the Bloch equation for the Ising model in a transverse field which are usedin the pseudo-spin model for KDP-type crystals. Characteristics and mutualrelations of susceptibilities are discussed with an emphasis on the differencebetween DHO and VWF. For a heavily damped mode, DHO becomes difficult torhvsicallv interrret since the eixenfrecvuencv and the damrin: factor ma>z losetheir origittal meaning. In such cases, the outly important parameter is the distancefrom the origin to the pole of z(co) in the complex o-plane.

• 社団法人日本物理学会の論文
• 1979-08-15

著者

• Takagi Yasunari

  Junior College The University Of Electro-communications

関連論文

• Digital Control of a Raman Sepctrometer by a Small Computer and Its Application to Soft Mode Spectroscopy
• Analysis of Raman Spectra of the Overdamped Mode in KH_D_PO_4 Crystals with Single-Mode Line Shape Functions
• Derivation and Characteristics of a Generalized Form of Susceptibility Used in the Analysis of Raman Line Shape for an Overdamped Mode

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