2018
DOI: 10.1140/epjp/i2018-11849-7
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Spherically symmetric charged black holes in f(R) gravitational theories

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Cited by 54 publications
(39 citation statements)
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“…(33), the entropy of solutions (11) and (15) takes the form The first of Eqs. (36) clearly proves that we have a positive entropy, all the time. The second of Eqs.…”
Section: Black Hole Thermodynamics In the Jordan Framementioning
confidence: 70%
See 1 more Smart Citation
“…(33), the entropy of solutions (11) and (15) takes the form The first of Eqs. (36) clearly proves that we have a positive entropy, all the time. The second of Eqs.…”
Section: Black Hole Thermodynamics In the Jordan Framementioning
confidence: 70%
“…The same theorem forbids the existence of hairy black hole solutions in the case of the R 2 model [6,7,12,13]. Several black holes have been got already for f (R) theories [6,[34][35][36][37][38][39][40][41][42][43][44]. And their physical properties are discussed in, e.g., [45][46][47][48].…”
Section: Introductionmentioning
confidence: 99%
“…where T 0 0 = ρ is the density, T 1 1 = p r is the radial pressure, and T 2 2 = T 3 3 = p t is the tangential pressure. Straightforward calculations of charged Taub-NUT black hole solution (30) gives…”
Section: Properties Of the Solutions For Black Holesmentioning
confidence: 99%
“…In this subsection, we consider the following NUT spacetime ds 2 = −N(r)dt 2 + 1 N 1 (r) dr 2 + k(r) dθ 2 + sin 2 θdφ 2 − 2N(r)χ[dt + χdφ]dφ, (6) with N(r), N 1 (r) and k(r) arbitrary functions in terms of r and χ is a parameter. For χ = 0 and k(r) = r 2 , the spherically symmetric spacetime is recovered [29][30][31]. Applying the field equations (2), using Eq.…”
Section: Introductionmentioning
confidence: 99%
See 1 more Smart Citation