Abstract
Non-degenerate and almost degenerate perturbation theory is applied to the problem of calculating autoionizing resonances of the helium atom using the complex-rotation method. The radii of convergence of the series are often found to be too small to allow the perturbation method to have general utility.
This research was supported by the National Science Foundation Grants CHE74-17494 and CHE77-19941.
This research was supported by the National Science Foundation Grants CHE74-17494 and CHE77-19941.
Notes
This research was supported by the National Science Foundation Grants CHE74-17494 and CHE77-19941.