Vibron solitons and Soliton-Induced Infrared Spectra of Crystalline Acetanilide : Condensed Matter and Statistical Physics
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概要
- 論文の詳細を見る
Red-shifted infrared spectra at low temperatures of amide I (C=O stretching) vibrations of crystalline acetanilide measured by Careri et al. are shown to be due to vibron solitons, which are nonlinearity-induced localized modes of vibrons arising from their nonlinear interactions with optic-type phonons. A nonlinear eigenvalue equation giving the eigenfrequency of stationary solitons is solved approximately by introducing lattice Green's functions, and obtained result is in good agreement with the experimental result. Inclusion of interactions with acoustic phonons yields the Debye-Waller factor in the zero-phonon line spectrum of vibron solitons, in a manner analogous to the case of impurity-induced localized harmonic phonon modes in alkali halides.
- 理論物理学刊行会の論文
- 1986-01-25
著者
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Takeno Shozo
Department Of Physics Faculty Of Engineering And Design Kyoto Institute Of Technology
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Takeno S
Osaka Inst. Technol. Osaka
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Takeno Shozo
Department Of General Education Osaka Institute Of Technology
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