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Perturbation approach to depolarized Rayleigh band shape theory corrected for collision-induced coherence: Applications to hydrogen and deuterium. / Kouzov, A. P.; Buldyreva, J. V.

In: Chemical Physics, Vol. 243, No. 1-2, 01.05.1999, p. 137-147.

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

Harvard

Kouzov, AP & Buldyreva, JV 1999, 'Perturbation approach to depolarized Rayleigh band shape theory corrected for collision-induced coherence: Applications to hydrogen and deuterium', Chemical Physics, vol. 243, no. 1-2, pp. 137-147. https://doi.org/10.1016/S0301-0104(99)00031-2

APA

Kouzov, A. P., & Buldyreva, J. V. (1999). Perturbation approach to depolarized Rayleigh band shape theory corrected for collision-induced coherence: Applications to hydrogen and deuterium. Chemical Physics, 243(1-2), 137-147. https://doi.org/10.1016/S0301-0104(99)00031-2

Vancouver

Kouzov AP, Buldyreva JV. Perturbation approach to depolarized Rayleigh band shape theory corrected for collision-induced coherence: Applications to hydrogen and deuterium. Chemical Physics. 1999 May 1;243(1-2):137-147. https://doi.org/10.1016/S0301-0104(99)00031-2

Author

Kouzov, A. P. ; Buldyreva, J. V. / Perturbation approach to depolarized Rayleigh band shape theory corrected for collision-induced coherence: Applications to hydrogen and deuterium. In: Chemical Physics. 1999 ; Vol. 243, No. 1-2. pp. 137-147.

BibTeX

@article{53ec138088de4e4ab844022cbf8e8dfa,
title = "Perturbation approach to depolarized Rayleigh band shape theory corrected for collision-induced coherence: Applications to hydrogen and deuterium",
abstract = "Depolarized Rayleigh Scattering (DPR) relaxation matrix is obtained by the second-order Fano-Mori perturbation theory with allowance for the collision-induced polarization transfer. For room-temperature hydrogen and deuterium, the DPR relaxation matrix elements are expressed via kinetic coefficients obtained previously (A.P. Kouzov and V.A. Krasheninnikov, Chem. Phys. 126 (1988) 301) by analyzing the experimental rotational Raman halfwidths. With the polarization transfer within each (ortho- or para-) species accounted for, the calculated DPR relaxation rates agree well with experiment thus showing applicability of the second-order treatment to the studied systems. For the first time, the spectrum corrections due to collision-induced correlation between optical transitions in dissimilar molecules are derived. Such correlation does not change the integral DPR intensity, but affects the shape leading to nonadditive DPR responses from ortho- and para-molecules. Although this ortho-para correlation does not strongly increase the DPR relaxation rates in normal molecular hydrogen (1.5% in n-H2 and 4% in n-D2), the effect may be enhanced in binary gas mixtures of heavier rotators.",
author = "Kouzov, {A. P.} and Buldyreva, {J. V.}",
year = "1999",
month = may,
day = "1",
doi = "10.1016/S0301-0104(99)00031-2",
language = "English",
volume = "243",
pages = "137--147",
journal = "Chemical Physics",
issn = "0301-0104",
publisher = "Elsevier",
number = "1-2",

}

RIS

TY - JOUR

T1 - Perturbation approach to depolarized Rayleigh band shape theory corrected for collision-induced coherence: Applications to hydrogen and deuterium

AU - Kouzov, A. P.

AU - Buldyreva, J. V.

PY - 1999/5/1

Y1 - 1999/5/1

N2 - Depolarized Rayleigh Scattering (DPR) relaxation matrix is obtained by the second-order Fano-Mori perturbation theory with allowance for the collision-induced polarization transfer. For room-temperature hydrogen and deuterium, the DPR relaxation matrix elements are expressed via kinetic coefficients obtained previously (A.P. Kouzov and V.A. Krasheninnikov, Chem. Phys. 126 (1988) 301) by analyzing the experimental rotational Raman halfwidths. With the polarization transfer within each (ortho- or para-) species accounted for, the calculated DPR relaxation rates agree well with experiment thus showing applicability of the second-order treatment to the studied systems. For the first time, the spectrum corrections due to collision-induced correlation between optical transitions in dissimilar molecules are derived. Such correlation does not change the integral DPR intensity, but affects the shape leading to nonadditive DPR responses from ortho- and para-molecules. Although this ortho-para correlation does not strongly increase the DPR relaxation rates in normal molecular hydrogen (1.5% in n-H2 and 4% in n-D2), the effect may be enhanced in binary gas mixtures of heavier rotators.

AB - Depolarized Rayleigh Scattering (DPR) relaxation matrix is obtained by the second-order Fano-Mori perturbation theory with allowance for the collision-induced polarization transfer. For room-temperature hydrogen and deuterium, the DPR relaxation matrix elements are expressed via kinetic coefficients obtained previously (A.P. Kouzov and V.A. Krasheninnikov, Chem. Phys. 126 (1988) 301) by analyzing the experimental rotational Raman halfwidths. With the polarization transfer within each (ortho- or para-) species accounted for, the calculated DPR relaxation rates agree well with experiment thus showing applicability of the second-order treatment to the studied systems. For the first time, the spectrum corrections due to collision-induced correlation between optical transitions in dissimilar molecules are derived. Such correlation does not change the integral DPR intensity, but affects the shape leading to nonadditive DPR responses from ortho- and para-molecules. Although this ortho-para correlation does not strongly increase the DPR relaxation rates in normal molecular hydrogen (1.5% in n-H2 and 4% in n-D2), the effect may be enhanced in binary gas mixtures of heavier rotators.

UR - http://www.scopus.com/inward/record.url?scp=0033413959&partnerID=8YFLogxK

U2 - 10.1016/S0301-0104(99)00031-2

DO - 10.1016/S0301-0104(99)00031-2

M3 - Article

AN - SCOPUS:0033413959

VL - 243

SP - 137

EP - 147

JO - Chemical Physics

JF - Chemical Physics

SN - 0301-0104

IS - 1-2

ER -

ID: 104351111