Phys. Rev. A 64, 032502 (2001) [5 pages]Ionization potential and excitation energy calculations for Ba+ using the relativistic coupled-cluster methodReceived 3 March 2001; published 13 August 2001 We report the results of our relativistic coupled cluster singles, doubles, and partial triples calculations of the ionization potentials (IP) and excitation energies (EE) for different low-lying levels of Ba+. The accuracies of the IP’s and EE’s are approximately 0.2% and 1%, respectively. The inclusion of the triple excitations were crucial to achieve this degree of precision. © 2001 The American Physical Society URL:
http://link.aps.org/doi/10.1103/PhysRevA.64.032502
DOI:
10.1103/PhysRevA.64.032502
PACS:
31.15.Dv, 31.50.Df, 32.10.Hq
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