The contribution of Fermi resonance to the formation of the Raman valence band of water

被引：8

作者：

Burikov, S. A. ^{[1
]}

Dolenko, T. A. ^{[1
]}

Karpov, D. M. ^{[1
]}

机构：

[1] Moscow MV Lomonosov State Univ, Moscow 119991, Russia

来源：

OPTICS AND SPECTROSCOPY | 2010年 / 109卷 / 02期

关键词：

SPECTRA; TEMPERATURE; CONSTANTS;

D O I：

10.1134/S0030400X10080205

中图分类号：

O43 [光学];

学科分类号：

070207 ; 0803 ;

摘要：

We study the role of Fermi resonance in the formation of the valence band of Raman scattering of light by liquid water molecules. We experimentally study the Raman valence and bending bands of water under changes in temperature from 20 to 99A degrees C and in concentrations of D2O and KI, KBr, KCl and KF salts in the range of their full solubility. We propose and implement a method for calculating the interaction constant of Fermi resonance in water. Use of genetic algorithms together with variational methods has made it possible to increase the accuracy in calculating the interaction constant of Fermi resonance and for the first time to quantitatively estimate the contribution of resonance and the intensity of the Raman valence band of water.

引用

页码：272 / 278

页数：7

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