Phenomenological Extension for Tidal Charge Black Hole

Autor: Alexeyev, S. O., Latosh, B. N., Prokopov, V. A., Emtsova, E. D.
Rok vydání: 2018
Předmět:
Zdroj: JETP Vol. 155 (5) (2019)
Druh dokumentu: Working Paper
DOI: 10.1134/S0044451019050080
Popis: A simple phenomenological extension of the black hole solution with tidal charge is proposed. Empirical data on the Sgr A* is consistent with the suggested metric which serves as a generalisation of the Reissner-Nordstrom one. Such a generalisation includes the leading effects beyond general relativity so, the discussed metric can explain wider range of gravitational effects. We discuss physical features of an object described by the proposed metric, namely, the size of its shadow and the innermost stable circular orbit radius.
Comment: submitted to JETP
Databáze: arXiv