Theory of relaxation parameters of the spectrum shape in the impact approximation-I : General consideration

被引：14

作者：

Cherkasov, M. R. ^{[1
]}

机构：

[1] Natl Res Tomsk Polytech Univ Affiliate, Yurga Inst Technol, Yurga 652055, Kemerovo Region, Russia

来源：

JOURNAL OF QUANTITATIVE SPECTROSCOPY & RADIATIVE TRANSFER | 2014年 / 141卷

关键词：

Pressure broadening; Line-width; Line-mixing; Spectrum shape; Cross-relaxation; INVERSION SPECTRUM; LINE-WIDTHS; MICROWAVE; ABSORPTION; AMMONIA; SYMMETRY; OXYGEN;

D O I：

10.1016/j.jqsrt.2013.11.013

中图分类号：

O43 [光学];

学科分类号：

070207 ; 0803 ;

摘要：

The theory of relaxation parameters of the spectrum shape in the impact approximation is constructed as a limit case of the Fano general relaxation theory of pressure broadening. The Fano binary collision relaxation matrix is presented in the integral form and after the impact approximation is introduced it is expressed through the scattering matrix in the Lionville space of the absorbing molecule and the bath particle. By means of introducing the scattering matrix eigenvectors and solving the evolution equation in the matrix form, the method suitable for the calculation of the whole set of impact relaxation parameters of the spectrum shape has been developed. (C) 2013 Elsevier Ltd. All rights reserved.

引用

页码：73 / 88

页数：16

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