Corrections to the Nonrelativistic Ground Energy of a Helium Atom

Details Corrections to the Nonrelativistic Ground Energy of a Helium Atom Corrections to the Nonrelativistic Ground Energy of a Helium Atom

2005-11-20

arxiv.org/abs/quant-ph/0511193v1

Chin. Phys. Lett. 21 (2004) 1714-1716

Physics

Quantum Physics

8 pages, no figures, 2 tables

Scientific paper

10.1088/0256-307X/21/9/010

Considering the nuclear motion, the authors give out the nonrelativistic ground energy of a helium atom by using a simple but effective variational wave function with a flexible parameter $k$. Based on this result, the relativistic and radiative corrections to the nonrelativistic Hamiltonian are discussed. The high precision value of the helium ground energy is evaluated to be -2.90338 a.u., and the relative error is 0.00034%.

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