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Hyperfine Structure and Zeeman Splitting in Two-Fermion Bound-State Systems

Andrei G. Terekidi·Jurij W. Darewych·Marko Horbatsch
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Abstract

A relativistic wave equation for bound states of two fermions with arbitrary masses which are exposed to a magnetic field is derived from quantum electrodynamics. The interaction kernels are based upon the generalized invariant M-matrices for inter-fermion and fermion-field interactions. As an application we calculate the energy corrections in a weak homogeneous B field to obtain the Zeeman splitting of the hyperfine structure and g-factors in the lowest order (i.e. to alpha^4). Lande g-factors are presented for several of the first excited states of hydrogen, muonium, and muonic-hydrogen.

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Andrei G. Terekidi, Jurij W. Darewych, Marko Horbatsch. 2007-01-28. Hyperfine Structure and Zeeman Splitting in Two-Fermion Bound-State Systems. https://arxiv.org/abs/hep-ph/0701239

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