Special dyon-like black hole solution in the model with two Abelian gauge fields and two scalar fields

Farida Belissarova, Kuantay Boshkayev, В. Д. Иващук, A. N. Malybayev

2020

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DOI 10.1088/1742-6596/1690/1/012143
Data confidence 70 medium
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Abstract

Abstract Dilatonic black hole dyon-like solution in the gravitational 4d model with two scalar fields and two 2-forms, governed by two 2-dimensional dilatonic coupling vectors λ → i obeying λ → i ( λ → 1 + λ → 2 ) > 0 , i = 1, 2, is found. Some physical parameters of the solutions are obtained: gravitational mass, scalar charge, Hawking temperature, black hole area entropy and parametrized post-Newtonian (PPN) parameters β and γ. The PPN parameters do not depend on the coupling vectors λ → i . A bound on the gravitational mass is proved.