Calculation of ground- and excited-state energies of confined helium atom

Details Calculation of ground- and excited-state energies of confined helium atom Calculation of ground- and excited-state energies of confined helium atom

2006-01-20

arxiv.org/abs/physics/0601152v1

Phys. Lett A, Vol 350/1-2 pp 121-125 (2006)

Physics

Atomic Physics

13 pages, No figure

Scientific paper

10.1016/j.physleta.2005.10.024

We calculate the energies of ground and three low lying excited states of confined helium atom centered in an impenetrable spherical box. We perform the calculation by employing variational method with two-parameter variational forms for the correlated two-particle wave function. With just two variational parameters we get quite accurate results for both ground and excited state energies.

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