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hep-ph2026
Muonium Hyperfine Splitting Uncertainty Revisited
Michael I. Eides
Uncertainty of the theoretical prediction for the hyperfine splitting in the ground state of muonium is considered. It is compared with the respective discussion in the two most re…
hep-ph2026
Energy levels of multiscale bound states from QED energy-momentum trace
Michael I. Eides, Vladimir A. Yerokhin
Energy levels of QED bound states, which depend on a number of independent mass parameters, can be calculated as matrix elements of the QED energy-momentum tensor trace. As an exam…
hep-ph2024
Hydrogen energy levels from the anomalous energy-momentum QED trace
Michael I. Eides
Energy levels of hydrogen are calculated as one-loop matrix elements of the QED energy-momentum tensor trace in the external field approximation. An explicit connection established…