TY JOUR TI Dirac particle with anomalous magnetic moment and polarizability KW spin 1/2 particle KW external electromagnetic field KW anomalous magnetic moment KW polarizability JO Proceedings of the Komi Science Centre of the Ural Division of the Russian Academy of Sciences AU Kisel', V.V. AU Buryy, A.V. AU Sachenok, P.O. AU Martynenko, A.S. AU Ovsiyuk, E.M. PY 2025 IS 0 PB FSBI FIC "Komi Scientific Center of the Ural Branch of the Russian Academy of Sciences"