A finite element approach for the continuum spectrum of the Dirac radial equation

被引：0

作者：

Nikolopoulos, LAA ^{[1
]}

机构：

[1] Univ Peloponnese, Dept Telecommun Sci & Technol, GR-22100 Tripolis, Greece

来源：

JOURNAL OF MATHEMATICAL CHEMISTRY | 2005年 / 37卷 / 03期

关键词：

Dirac equation; B splines; photoionization;

D O I：

10.1007/s10910-004-1464-6

中图分类号：

O6 [化学];

学科分类号：

0703 ;

摘要：

The Dirac radial functions are expanded in polynomial B-spline basis, transforming the Dirac equation in a generalized eigensystem matrix problem. Due to the locality nature of the B-spline functions the matrix representation of all the involved operators are highly sparse. Diagonalization of the matrix equations provides the bound and continuum eigenstates. Energies and oscillator strengths for Hydrogen and Rubidium are presented.

引用

页码：203 / 210

页数：8

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