標題: ANALYTICAL REPRESENTATION OF ATOMIC SHELLWISE ELECTRON-DENSITIES AND APPLICATIONS
作者: CHEN, YF
KWEI, CM
TUNG, CJ
電子工程學系及電子研究所
Department of Electronics Engineering and Institute of Electronics
公開日期: 28-三月-1993
摘要: Analytical expressions of atomic shellwise electron densities have been constructed. Our approach was based on the superposition of Yukawa potentials for the atomic electrostatic potential. The electron density distribution was then established by the Poisson equation. Parameters characterizing the shellwise electrostatic potential and the corresponding electron density distribution were obtained by a fitting procedure utilizing the Hartree-Fock-Slater (HFS) data. These parameters were determined by the atomic number and electron occupation numbers in various states. The accuracy of constructed electron density distributions was tested by comparing their various moments with the corresponding results obtained from other methods. Applications of these atomic shellwise electron densities were made for calculations of the elastic scattering cross section and the mean excitation energy.
URI: http://dx.doi.org/10.1088/0953-4075/26/6/008
http://hdl.handle.net/11536/3086
ISSN: 0953-4075
DOI: 10.1088/0953-4075/26/6/008
期刊: JOURNAL OF PHYSICS B-ATOMIC MOLECULAR AND OPTICAL PHYSICS
Volume: 26
Issue: 6
起始頁: 1071
結束頁: 1080
顯示於類別:期刊論文


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