4 citations · 15 across the 21 of their papers we have counts for
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physics.atom-ph2010★ 1 cited
Application of symbolic programming for atomic many-body theory
Rytis Jursenas, Gintaras Merkelis
In the present paper by using Mathematica system a symbolic programming method for generation of the expressions of the expansion terms of atomic stationary perturbation theory (PT…
physics.atom-ph2010★ 4 cited
Coupled tensorial form for atomic relativistic two-particle operator given in second quantization representation
Rytis Jursenas, Gintaras Merkelis
General formulas of the two-electron operator representing either atomic or effective interactions are given in a coupled tensorial form in relativistic approximation. The alternat…
physics.atom-ph2010★ 2 cited
Irreducible tensor form of three-particle operator for open-shell atoms
Rytis Jursenas, Gintaras Merkelis
The three-particle operator in a second quantized form is studied. The operator is transformed into irreducible tensor form. Possible coupling schemes, distinguished by the classes…