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- W4298048533 abstract "The Rydberg formula along with the Ritz quantum defect ansatz has been a standard theoretical tool used in atomic physics since before the advent of quantum mechanics, yet this approach has remained limited by its non-relativistic foundation. Here I present a long-distance relativistic effective theory describing hydrogen-like systems with arbitrary mass ratios, thereby extending the canonical Ritz-like approach. Fitting the relativistic theory to the hydrogen energy levels predicted by bound-state QED indicates that it is superior to the canonical, nonrelativistic approach. An analytic analysis reveals nonlinear consistency relations within the bound-state QED level predictions that relate higher-order corrections to those at lower order, providing guideposts for future perturbative calculations as well as insights into the asymptotic behavior of Bethe logarithms. Applications of the approach include fitting to atomic spectroscopic data, allowing for the determination the fine-structure constant from large spectral data sets and also to check for internal consistency of the data independently from bound-state QED." @default.
- W4298048533 created "2022-10-01" @default.
- W4298048533 creator A5028436304 @default.
- W4298048533 date "2022-06-06" @default.
- W4298048533 modified "2023-10-16" @default.
- W4298048533 title "Relativistic Ritz approach to hydrogen-like atoms I: theoretical considerations" @default.
- W4298048533 doi "https://doi.org/10.48550/arxiv.2206.02494" @default.
- W4298048533 hasPublicationYear "2022" @default.
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