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Is the Electron Magnetic Moment Unique?

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Abstract

There exist two methods for finding the magnetic moment of the electron. The first method employed in quantum electrodynamics consists in calculating the energy of the electron placed in a constant magnetic field, the extra energy due to the field being proportional to the magnetic moment. It is also possible to use the second method proceeding from the fact that the asymptotic form of the vector potential at infinity is proportional to the magnetic moment. If the electron were point-like, both the methods would yield identical results. In the present paper is studied the magnetic field created by the electron in hydrogen-like ions, which enables one to find the electron magnetic moment by the second method. The electron magnetic moment in this case proves to be different in different states of the electron in the Coulomb field of the ions and, moreover, is distinct from the magnetic moment calculated by the first method. The results of the paper show that the electron is not small and is deformable under action of external fields.

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  1. Moscow Polytechnic University, Bolshaya Semenovskaya 38, Moscow, Russia, 107023

    V. A. Golovko

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  1. V. A. Golovko
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Golovko, V.A. Is the Electron Magnetic Moment Unique?. Found Phys 53, 81 (2023). https://doi.org/10.1007/s10701-023-00723-9

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  • DOI: https://doi.org/10.1007/s10701-023-00723-9

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