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Ab Initio Calculation of Energies and Transition Probabilities for the Be-Like Ions |
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Sy-Sang Liaw
Department of Physics, National Chun-Hsing University, Taichung, Taiwan 402, R.O.C. (Received September 2, 1997) |
| We have done a numerical calculation in the two-particle/two-hole approximation for the systems with a core plus two electrons. The results of energies and transition probabilities for Be-like ions are of good quality. In particular, the transition probabilities are calculated by two gauges, length and velocity, to demonstrate the gauge-independence of the formalism. |
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