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Proceedings Paper

Doublet splitting and natural width of semiclassical high-excited rotational states in vibration-rotation spectra of molecules
Author(s): A. S. Skalozub; Artyom Y. Tsaune
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Paper Abstract

In the series of articles we have developed a semiclassical self-consistent approach to calculation of the highly excited rotational states in vibration-rotation (VR) spectra of polyatomic molecules. The central idea of the semiclassical approach is based on the introduction of the auxiliary time-periodical fields which transfer interactions between rotational and vibrational molecular degrees of freedom. This procedure leads to separation of variables in the VR Hamiltonian and, as a result, to simplification of the initial problem interpretation, which is reduced now to an independent solution of two nonsteady Schrodinger equations. In the first of them the Hamiltonian describes a motion of the molecular angular momentum J in some time-periodical field and does not depend on the vibrational coordinates explicitly, in the second - the Hamiltonian is a sum of usual vibrational energy and some additives, which describe a motion of the vibrational collective variables in auxiliary fields and do not depend on the angular coordinate explicitly.

Paper Details

Date Published: 1 July 1992
PDF: 5 pages
Proc. SPIE 1811, Tenth All-Union Symposium and School on High-Resolution Molecular Spectroscopy, (1 July 1992); doi: 10.1117/12.131139
Show Author Affiliations
A. S. Skalozub, Chemical and Technological Institute (Ukraine)
Artyom Y. Tsaune, Chemical and Technological Institute (Ukraine)

Published in SPIE Proceedings Vol. 1811:
Tenth All-Union Symposium and School on High-Resolution Molecular Spectroscopy

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