Abstract
A new wave equation for the relativistic two-body problem is derived and shown to be equivalent to the Breit equation and also to the “quasipotential” equation. Its unique advantage is that it provides analytic wave functions for arbitrary combinations of masses, spins, magnetic and higher moments of the two particles. Various applications are indicated, including an improvement of Dirac wave functions at small distances.
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I would like to thank Dr. M. Martinis for helpful comments.
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Pilkuhn, H. Relativistic recoil and spin corrections to atomic and Coulomb wave functions. Z Physik A 305, 241–247 (1982). https://doi.org/10.1007/BF01417441
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DOI: https://doi.org/10.1007/BF01417441