Abstract
The polarization operator of an axion in a degenerate gas of electrons occupying the ground-state Landau level in superstrong magnetic fields H≫H 0=m 2e c 3/eℏ=4.41×1013 G is investigated in a model with a tree-level axion-electron coupling. It is shown that a dynamic axion mass, which can fall within the allowed range of values 10−5 eV≲m a≲102 eV, is generated under the conditions of strongly magnetized neutron stars. As a result, the dispersion relation for axions is appreciably different from that in a vacuum.
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Zh. Éksp. Teor. Fiz. 115, 3–11 (January 1999)
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Borisov, A.V., Sizin, P.E. Propagation of axions in a strongly magnetized medium. J. Exp. Theor. Phys. 88, 1–5 (1999). https://doi.org/10.1134/1.558755
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DOI: https://doi.org/10.1134/1.558755