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Phys. Rev. A 78, 052503 (2008) [7 pages]

Electric dipole rovibrational transitions in the HD molecule

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Krzysztof Pachucki*
Institute of Theoretical Physics, University of Warsaw, Hoża 69, 00-681 Warsaw, Poland

Jacek Komasa
Faculty of Chemistry, A. Mickiewicz University, Grunwaldzka 6, 60-780 Poznań, Poland

Received 20 August 2008; revised 22 September 2008; published 7 November 2008

The rovibrational electric dipole transitions in the ground electronic state of the HD molecule are studied. A simple, yet rigorous formula is derived for the transition rates in terms of the electric dipole moment function D(R), which is calculated in a wide range of R. Our numerical results for transition rates are in moderate agreement with experiments and previous calculations, but are at least an order of magnitude more accurate.

© 2008 The American Physical Society

URL:
http://link.aps.org/doi/10.1103/PhysRevA.78.052503
DOI:
10.1103/PhysRevA.78.052503
PACS:
33.70.Ca, 95.30.Ky, 31.15.−p, 31.30.−i

*krp@fuw.edu.pl

komasa@man.poznan.pl