Journal
PHYSICAL REVIEW D
Volume 98, Issue 8, Pages -Publisher
AMER PHYSICAL SOC
DOI: 10.1103/PhysRevD.98.088502
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In the Comment on Can accretion disk properties observationally distinguish black holes from naked singularities?, by Bertrand Chauvineau, the author did show that the metric used in Z. Kovacs and T. Harko, Phys. Rev. D 82, 124047 (2010), and initially introduced in K. D. Krori and D. R. Bhattacharjee, J. Math. Phys. 23, 637 (1982) and K. K. Nandi, P. M. Alsing, J. C. Evans, and T. B. Nayak, Phys. Rev. D 63, 084027 (2001), does not satisfy the Einstein gravitational field equations with a minimally coupled scalar field. In our reply we would like to point out that this result is actually not new, but it was already published in the literature. Moreover, a rotating solution that generalizes the Kerr metric for a nonminimally coupled scalar field does exist. We briefly discuss the nature of the singularities for the generalized metric, and point out that it can be used as a testing ground to differentiate black holes from naked singularities. Moreover, we mention the existence of some other typing or technical errors existing in the literature.
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