Phys. Rev. A 66, 024501 (2002) [2 pages]Nonrelativistic ionization energy for the helium ground stateReceived 19 March 2002; published 12 August 2002 The helium ground-state nonrelativistic energy with 24 significant digits is presented. The calculations are based on variational expansion with randomly chosen exponents. This data can be used as a benchmark for other approaches for many-electron and/or three-body systems. © 2002 The American Physical Society URL:
http://link.aps.org/doi/10.1103/PhysRevA.66.024501
DOI:
10.1103/PhysRevA.66.024501
PACS:
31.15.Pf, 31.15.Ar
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