A theoretical atomic physicist who coauthored a precision review of the Lamb shift. The analysis assembles distinct corrections to hydrogenic energy levels, allowing high-resolution spectroscopy to be compared with quantum electrodynamics. Separating nuclear-size contributions from purely electronic corrections is essential when extracting a nuclear radius.[ref]
Theory of the Lamb shift in hydrogen and light hydrogen-like ions by Vladimir Yerokhin and others. Abstract and treatment of radiative, recoil and nuclear-size contributions
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