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Publication Citation: Hylleraas-configuration-interaction Study of the Singlet S Ground State of Neutral Beryllium

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Author(s): James S. Sims; Stanley A. Hagstrom;
Title: Hylleraas-configuration-interaction Study of the Singlet S Ground State of Neutral Beryllium
Published: March 31, 2011
Abstract: Hylleraas-configuration-interaction (Hy-CI) method variational calculations are reported for the singlet S ground state of neutral beryllium. The best nonrelativistic energy obtained was -14.6673 5641 hartree, which is estimated to be accurate to within a tenth of a microhartree. 1
Citation: Physical Review A
Volume: 83
Pages: pp. 032518-1 - 032518-7
Keywords: Hylleraas-CI; Hy-CI; Hylleraas method; ground state energy; non-relativistic energy; beryllium atom; wave function
Research Areas: Atomic Structure, Information Technology
PDF version: PDF Document Click here to retrieve PDF version of paper (143KB)