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Energy Levels Of Hydrogen-Like Atomsand Fundamental Constants
Valeri V. Dvoeglazov, Rudolf N. Faustov, Yuri N. Tyukhtyaev
The present review includes the description of theoretical methods for the investigations of the spectra of hydrogen-like systems. Various versions of the quasipotential approach a…
Decay Rate of a Positronium. Review of Theory and Experiment
Valeri V. Dvoeglazov, Rudolf N. Faustov, Yuri N. Tyukhtyaev
The present status of theoretical and experimental investigations of the decay rate of a positronium is considered. The increasing interest to this problem has been caused by the d…
Quasipotential in the Fourth Order of Perturbation Theory. Unequal mass case
Natalia A. Boikova, Valeri V. Dvoeglazov, Yuri N. Tyukhtyaev +1
The quasipotential in the fourth order of perturbation theory is calculated in the Coulomb gauge for the unequal mass particles. It could be used for the future calculations of ene…