Abstract
Special features of the quasipotential approach to calculating logarithmic (in the fine-structure constant) contributions to the fine splitting of energy levels in hydrogen-like atoms are analyzed. The boundaries of the region of applicability of the Fell technique are indicated, and the order of corrections beyond this region is estimated.
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Original Russian Text © N.A. Boikova, Yu.N. Tyukhtyaev, R.N. Faustov, 2011, published in Yadernaya Fizika, 2011, Vol. 74, No. 1, pp. 68–71.
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Boikova, N.A., Tyukhtyaev, Y.N. & Faustov, R.N. Compensation of logarithmic corrections in calculating the fine structure of levels in hydrogen-like atoms. Phys. Atom. Nuclei 74, 67–71 (2011). https://doi.org/10.1134/S1063778810121014
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DOI: https://doi.org/10.1134/S1063778810121014