TY - THES AU - Zhang, Qian TI - Calculations of atomic multiplets across the periodic table PB - RWTH Aachen VL - MS M1 - FZJ-2015-01684 SP - 95 p. PY - 2014 N1 - RWTH Aachen, Masterarbeit, 2014 AB - The goal of this thesis is to develop a simulation tool for the calculation and visualization of the multiplet structure of all atoms across the periodic table. The starting point are self- consistent calculations in the spherical-potential approximation. For the resulting atomic levels we calculate the ab-initio Slater parameters that define the electron-electron repulsion term of the many-body Hamiltonian. We then construct the eigen-states of the Hamiltonian on an open shell by constructing the multiplet states using the angular momentum ladder operators and, where necessary, seniority. Finally, we include spin-orbit coupling, using the ab-initio coupling constants determined from the self-consistent radial potentials. KW - Unveröffentlichte Hochschulschrift (GND) LB - PUB:(DE-HGF)19 UR - https://juser.fz-juelich.de/record/188242 ER -