Abstract
A stationary solution of the Dirac equation in the metric of a Reissner-Nordström black hole has been found. Only one stationary regular state outside the black hole event horizon and only one stationary regular state below the Cauchy horizon are shown to exist. The normalization integral of the wave functions diverges on both horizons if the black hole is non-extremal. This means that the solution found can be only the asymptotic limit of a nonstationary solution. In contrast, in the case of an extremal black hole, the normalization integral is finite and the stationary regular solution is physically self-consistent. The existence of quantum levels below the Cauchy horizon can affect the final stage of Hawking black hole evaporation and opens up the fundamental possibility of investigating the internal structure of black holes using quantum tunneling between external and internal states.
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Original Russian Text © V.I. Dokuchaev, Yu.N. Eroshenko, 2013, published in Zhurnal Eksperimental’noi i Teoreticheskoi Fiziki, 2013, Vol. 144, No. 1, pp. 85–91.
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Dokuchaev, V.I., Eroshenko, Y.N. Stationary solutions of the Dirac equation in the gravitational field of a charged black hole. J. Exp. Theor. Phys. 117, 72–77 (2013). https://doi.org/10.1134/S1063776113080049
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DOI: https://doi.org/10.1134/S1063776113080049