Fundamental constants and tests of theory in Rydberg states of one-electron ions

Details Fundamental constants and tests of theory in Rydberg states of one-electron ions Fundamental constants and tests of theory in Rydberg states of one-electron ions

2010-03-19

arxiv.org/abs/1003.3706v1

J.Phys.B 43 (2010) 074002

Physics

Atomic Physics

10 pages; LaTeX

Scientific paper

10.1088/0953-4075/43/7/074002

The nature of the theory of circular Rydberg states of hydrogenlike ions allows highly-accurate predictions to be made for energy levels. In particular, uncertainties arising from the problematic nuclear size correction which beset low angular-momentum states are negligibly small for the high angular-momentum states. The largest remaining source of uncertainty can be addressed with the help of quantum electrodynamics (QED) calculations, including a new nonperturbative result reported here. More stringent tests of theory and an improved determination of the Rydberg constant may be possible if predictions can be compared with precision frequency measurements in this regime. The diversity of information can be increased by utilizing a variety of combinations of ions and Ryberg states to determine fundamental constants and test theory.

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