Theoretical study of the absorption spectra of the sodium dimer

Details Theoretical study of the absorption spectra of the sodium dimer Theoretical study of the absorption spectra of the sodium dimer

2000-08-14

arxiv.org/abs/physics/0008060v1

Physical Review A. Vol. 63 032516 (2001)

Physics

Atomic Physics

19 pages, 8 figures, revtex, epsf

Scientific paper

10.1103/PhysRevA.63.032516

Absorption of radiation from the sodium dimer molecular states correlating to Na(3s)-Na(3s) is investigated theoretically. Vibrational bound and continuum transitions from the singlet X Sigma-g+ state to the first excited singlet A Sigma-u+ and singlet B Pi-u states and from the triplet a Sigma-u+ state to the first excited triplet b Sigma-g+ and triplet c Pi-g states are studied quantum-mechanically. Theoretical and experimental data are used to characterize the molecular properties taking advantage of knowledge recently obtained from ab initio calculations, spectroscopy, and ultra-cold atom collision studies. The quantum-mechanical calculations are carried out for temperatures in the range from 500 to 3000 K and are compared with previous calculations and measurements where available.

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