Abstract
I provide here a classical calculation of the Lamb shift that is of the same order of magnitude as the quantum Bethe result. This contradicts Jackson's claim that a classical calculation can not get the Lamb shift right—even to within an order of magnitude.
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Dowling, J.P. The Classical Lamb Shift: Why Jackson is Wrong!. Foundations of Physics 28, 855–862 (1998). https://doi.org/10.1023/A:1018862206771
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DOI: https://doi.org/10.1023/A:1018862206771