Standard

Kinetic theory of band shapes in molecular spectra of gases : Application to band wings. / Filippov, NN; Tonkov, MV.

In: Journal of Chemical Physics, Vol. 108, No. 9, 01.03.1998, p. 3608-3619.

Research output: Contribution to journal › Article › peer-review

Harvard

Filippov, NN & Tonkov, MV 1998, 'Kinetic theory of band shapes in molecular spectra of gases: Application to band wings', Journal of Chemical Physics, vol. 108, no. 9, pp. 3608-3619. https://doi.org/10.1063/1.475755

APA

Filippov, NN., & Tonkov, MV. (1998). Kinetic theory of band shapes in molecular spectra of gases: Application to band wings. Journal of Chemical Physics, 108(9), 3608-3619. https://doi.org/10.1063/1.475755

Vancouver

Filippov NN, Tonkov MV. Kinetic theory of band shapes in molecular spectra of gases: Application to band wings. Journal of Chemical Physics. 1998 Mar 1;108(9):3608-3619. https://doi.org/10.1063/1.475755

Author

Filippov, NN ; Tonkov, MV. / Kinetic theory of band shapes in molecular spectra of gases : Application to band wings. In: Journal of Chemical Physics. 1998 ; Vol. 108, No. 9. pp. 3608-3619.

BibTeX

@article{f75a53f3be6d4b2894a1cb770a4469fa,
title = "Kinetic theory of band shapes in molecular spectra of gases: Application to band wings",
abstract = "A kinetic theory of spectral band shapes is developed which accounts for the effects of line mixing and finite duration of collisions. The theory is based on a projection operator technique with a nonorthogonal metric. The roles and hierarchy of various approximations commonly employed are analyzed. It is shown that the relaxation operator must be defined before the initial correlations are suppressed so that the double sum rule for the matrix elements of this operator is conserved. This conservation is important for the calculations of the wings of band shapes. Rotovibrational band shapes for some specific cases of Raman and infrared absorption spectra of gases are considered. The expressions obtained relate the band wing profiles with the spectral density of molecular torque arising from binary collisions. (C) 1998 American Institute of Physics.",
keywords = "NEGATIVE VELOCITY CORRELATION, INFRARED-ABSORPTION SPECTRA, HARD-SPHERE FLUID, STATISTICAL-THEORY, WATER CONTINUUM, FAR WINGS, CO2, INTERFERENCE, RELAXATION, SCATTERING",
author = "NN Filippov and MV Tonkov",
year = "1998",
month = mar,
day = "1",
doi = "10.1063/1.475755",
language = "Английский",
volume = "108",
pages = "3608--3619",
journal = "Journal of Chemical Physics",
issn = "0021-9606",
publisher = "American Institute of Physics",
number = "9",

}

RIS

TY - JOUR

T1 - Kinetic theory of band shapes in molecular spectra of gases

T2 - Application to band wings

AU - Filippov, NN

AU - Tonkov, MV

PY - 1998/3/1

Y1 - 1998/3/1

N2 - A kinetic theory of spectral band shapes is developed which accounts for the effects of line mixing and finite duration of collisions. The theory is based on a projection operator technique with a nonorthogonal metric. The roles and hierarchy of various approximations commonly employed are analyzed. It is shown that the relaxation operator must be defined before the initial correlations are suppressed so that the double sum rule for the matrix elements of this operator is conserved. This conservation is important for the calculations of the wings of band shapes. Rotovibrational band shapes for some specific cases of Raman and infrared absorption spectra of gases are considered. The expressions obtained relate the band wing profiles with the spectral density of molecular torque arising from binary collisions. (C) 1998 American Institute of Physics.

AB - A kinetic theory of spectral band shapes is developed which accounts for the effects of line mixing and finite duration of collisions. The theory is based on a projection operator technique with a nonorthogonal metric. The roles and hierarchy of various approximations commonly employed are analyzed. It is shown that the relaxation operator must be defined before the initial correlations are suppressed so that the double sum rule for the matrix elements of this operator is conserved. This conservation is important for the calculations of the wings of band shapes. Rotovibrational band shapes for some specific cases of Raman and infrared absorption spectra of gases are considered. The expressions obtained relate the band wing profiles with the spectral density of molecular torque arising from binary collisions. (C) 1998 American Institute of Physics.

KW - NEGATIVE VELOCITY CORRELATION

KW - INFRARED-ABSORPTION SPECTRA

KW - HARD-SPHERE FLUID

KW - STATISTICAL-THEORY

KW - WATER CONTINUUM

KW - FAR WINGS

KW - CO2

KW - INTERFERENCE

KW - RELAXATION

KW - SCATTERING

U2 - 10.1063/1.475755

DO - 10.1063/1.475755

M3 - статья

VL - 108

SP - 3608

EP - 3619

JO - Journal of Chemical Physics

JF - Journal of Chemical Physics

SN - 0021-9606

IS - 9

ER -

ID: 41410337