Calculation of the Electronic Correlation-Energy in Helium Atoms by Means of B Spline Technique

Abstract

The B spline method for calculating the correlation energy of helium atoms is proposed.The result is compared with that by Slater basis functions.The virtue defect and practicability of B spline technique are analysed.It is shown that the B spline technique can be used widely in the calculation of electronic interaction.

Spectral properties of endohedrally confined helium atom

“…In such an environment, which is a double-well of the atomic potential, some novel properties of atoms appear. In the theoretical research of endohedrally confined atoms, [5][6][7][8][9][10][11][12][13][14][15][16][17] only Connerade, [7,9,11,13] Qiao, [14][15][16] and Zhang [17] have focused on their spectral properties. Meanwhile, some researchers have done some experiments on the spectral properties of endohedrally confined atoms.…”