Non-Markovian approach to pressure broadening of isolated lines in spectra of light rotators

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Non-Markovian approach to pressure broadening of isolated lines in spectra of light rotators. / Kouzov, A. P.; Sokolov, A. V.; Filippov, N. N.

In: Journal of Quantitative Spectroscopy and Radiative Transfer, Vol. 278, 108043, 02.2022.

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

BibTeX

@article{7ee64d738848482eaa8594c149142f85,

title = "Non-Markovian approach to pressure broadening of isolated lines in spectra of light rotators",

abstract = "A non-Markov theory of diffuse satellites developing around the allowed (mother) rotational lines perturbed by monoatomic buffer gases is expounded. As the buffer-gas pressure grows, the lorentzian part of mother lines adjacent to the band origin becomes attenuated because of the intensity transfer to pressure-enhanced satellites. Different channels contributing to the attenuation of infrared and Raman lines of linear molecules are considered. Simple estimations of the attenuation coefficients reasonably fit experimental data available for the HCl and HF absorption spectra perturbed by monatomic gases.",

keywords = "Collisions of finite durations, Induction of satellite transitions in IR and Raman spectra, Rotational relaxation",

author = "Kouzov, {A. P.} and Sokolov, {A. V.} and Filippov, {N. N.}",

note = "Publisher Copyright: {\textcopyright} 2021 Elsevier Ltd",

year = "2022",

month = feb,

doi = "10.1016/j.jqsrt.2021.108043",

language = "English",

volume = "278",

journal = "Journal of Quantitative Spectroscopy and Radiative Transfer",

issn = "0022-4073",

publisher = "Elsevier",

}

RIS

TY - JOUR

T1 - Non-Markovian approach to pressure broadening of isolated lines in spectra of light rotators

AU - Kouzov, A. P.

AU - Sokolov, A. V.

AU - Filippov, N. N.

PY - 2022/2

Y1 - 2022/2

N2 - A non-Markov theory of diffuse satellites developing around the allowed (mother) rotational lines perturbed by monoatomic buffer gases is expounded. As the buffer-gas pressure grows, the lorentzian part of mother lines adjacent to the band origin becomes attenuated because of the intensity transfer to pressure-enhanced satellites. Different channels contributing to the attenuation of infrared and Raman lines of linear molecules are considered. Simple estimations of the attenuation coefficients reasonably fit experimental data available for the HCl and HF absorption spectra perturbed by monatomic gases.

AB - A non-Markov theory of diffuse satellites developing around the allowed (mother) rotational lines perturbed by monoatomic buffer gases is expounded. As the buffer-gas pressure grows, the lorentzian part of mother lines adjacent to the band origin becomes attenuated because of the intensity transfer to pressure-enhanced satellites. Different channels contributing to the attenuation of infrared and Raman lines of linear molecules are considered. Simple estimations of the attenuation coefficients reasonably fit experimental data available for the HCl and HF absorption spectra perturbed by monatomic gases.

KW - Collisions of finite durations

KW - Induction of satellite transitions in IR and Raman spectra

KW - Rotational relaxation

UR - http://www.scopus.com/inward/record.url?scp=85121430354&partnerID=8YFLogxK

UR - https://www.mendeley.com/catalogue/c87df589-f691-3bbc-aa17-ebbfc624c835/

U2 - 10.1016/j.jqsrt.2021.108043

DO - 10.1016/j.jqsrt.2021.108043

M3 - Article

AN - SCOPUS:85121430354

VL - 278

JO - Journal of Quantitative Spectroscopy and Radiative Transfer

JF - Journal of Quantitative Spectroscopy and Radiative Transfer

SN - 0022-4073

M1 - 108043

ER -

ID: 95660395