Leading spectral moments for easy computation of pressure effects on rotational lines

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Leading spectral moments for easy computation of pressure effects on rotational lines. / Sokolov, Andrei; Kouzov, Alexander; Buldyreva, Jeanna.

In: Journal of Raman Spectroscopy, Vol. 51, No. 8, 01.08.2020, p. 1390-1394.

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

Author

Sokolov, Andrei ; Kouzov, Alexander ; Buldyreva, Jeanna. / Leading spectral moments for easy computation of pressure effects on rotational lines. In: Journal of Raman Spectroscopy. 2020 ; Vol. 51, No. 8. pp. 1390-1394.

BibTeX

@article{6b3a9e66f3554469998aa4266fab3016,

title = "Leading spectral moments for easy computation of pressure effects on rotational lines",

abstract = "Explicit classical-limit formulae for two leading spectral moments characterizing the anisotropy of the interaction potential are derived for fast collisions of linear rotators in the binary regime. With the help of these moments, model Fourier-transforms of the time-correlation functions comprising non-Markovian effects are restored, which enables a novel and straight approach to pressure transformation of broad spectral bands and pressure-broadening characteristics of (vib)rotational spectral lines, as demonstrated on a simple Markov-limit example of isotropic and anisotropic Raman line widths of molecular nitrogen.",

keywords = "classical spectral moments, isotropic and anisotropic Raman scattering, N, rotational lines",

author = "Andrei Sokolov and Alexander Kouzov and Jeanna Buldyreva",

year = "2020",

month = aug,

day = "1",

doi = "10.1002/jrs.5923",

language = "English",

volume = "51",

pages = "1390--1394",

journal = "Journal of Raman Spectroscopy",

issn = "0377-0486",

publisher = "Wiley-Blackwell",

number = "8",

}

RIS

TY - JOUR

T1 - Leading spectral moments for easy computation of pressure effects on rotational lines

AU - Sokolov, Andrei

AU - Kouzov, Alexander

AU - Buldyreva, Jeanna

PY - 2020/8/1

Y1 - 2020/8/1

N2 - Explicit classical-limit formulae for two leading spectral moments characterizing the anisotropy of the interaction potential are derived for fast collisions of linear rotators in the binary regime. With the help of these moments, model Fourier-transforms of the time-correlation functions comprising non-Markovian effects are restored, which enables a novel and straight approach to pressure transformation of broad spectral bands and pressure-broadening characteristics of (vib)rotational spectral lines, as demonstrated on a simple Markov-limit example of isotropic and anisotropic Raman line widths of molecular nitrogen.

AB - Explicit classical-limit formulae for two leading spectral moments characterizing the anisotropy of the interaction potential are derived for fast collisions of linear rotators in the binary regime. With the help of these moments, model Fourier-transforms of the time-correlation functions comprising non-Markovian effects are restored, which enables a novel and straight approach to pressure transformation of broad spectral bands and pressure-broadening characteristics of (vib)rotational spectral lines, as demonstrated on a simple Markov-limit example of isotropic and anisotropic Raman line widths of molecular nitrogen.

KW - classical spectral moments

KW - isotropic and anisotropic Raman scattering

KW - N

KW - rotational lines

UR - http://www.scopus.com/inward/record.url?scp=85087615205&partnerID=8YFLogxK

U2 - 10.1002/jrs.5923

DO - 10.1002/jrs.5923

M3 - Article

AN - SCOPUS:85087615205

VL - 51

SP - 1390

EP - 1394

JO - Journal of Raman Spectroscopy

JF - Journal of Raman Spectroscopy

SN - 0377-0486

IS - 8

ER -

ID: 62343647