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Comments on explicitly correlated wave functions for the ground state of the helium atom

1977; American Institute of Physics; Volume: 16; Issue: 4 Linguagem: Inglês

10.1103/physreva.16.1740

0556-2791

Ajit J. Thakkar,

Cold Atom Physics and Bose-Einstein Condensates

Several comments are made on Radi's computation of standard Hylleraas-type wave functions for the ground state of the helium atom. It is shown that the 125-term wave function yields a variational energy of -2.903 724 343 a.u. and not -2.903 724 371 a.u.