Lower-bound estimates for the ground-state energy of the helium atom are determined using nonlinear programming techniques. Optimized lower bounds are determined for single-particle, radially correlated, and general correlated wave functions. The local nature of the method employed makes it a very s
β¦ LIBER β¦
A lower bound to the decay of ground states of two-electron atoms
β Scribed by Thomas Hoffmann-Ostenhof
- Publisher
- Elsevier Science
- Year
- 1980
- Tongue
- English
- Weight
- 449 KB
- Volume
- 77
- Category
- Article
- ISSN
- 0375-9601
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A simple and accurate variational wave function in which the dependence in the interelectronic distance is factored is proposed to describe S-type states of two-electron atomic systems. We introduce a parameterization which generalizes the previous ones used in this same framework and which allows u