Search Results - "Fontana, R. D. B."

Late-time tails, entropy aspects, and stability of black holes with anisotropic fluids by Cuadros-Melgar, B., Fontana, R. D. B., de Oliveira, Jeferson

“…In this work we consider black holes surrounded by anisotropic fluids in four dimensions. We first study the causal structure of these solutions showing some…”
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Dynamical evolution of non-minimally coupled scalar field in spherically symmetric de Sitter spacetimes by Fontana, R. D. B., de Oliveira, Jeferson, Pavan, A. B.

“…We investigate the dynamical behavior of a scalar field non-minimally coupled to Einstein’s tensor and Ricci scalar in geometries of asymptotically de Sitter…”
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Scalar field instabilities in charged BTZ black holes by Fontana, R. D. B

“…We investigate the charged scalar field propagating in a (2+1) charged BTZ black hole. The conditions for stability are studied unveiling, for each black hole…”
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Aspects of regular and singular electromagnetic-generalized-quasitopological-gravities black holes in (2+1) dimensions by de Oliveira, Jeferson, Fontana, R. D. B, Pavan, A. B

“…Phys.Rev.D 109 (2024) 2, 024027 We investigate quasitopological black holes in $(2+1)$ dimensions in the context of…”
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Gauss-Bonnet black holes in (2+1) dimensions: Perturbative aspects and entropy features by Cuadros-Melgar, B, Fontana, R. D. B, de Oliveira, Jeferson

“…Phys, Rev. D 106, 124007 (2022) We investigate some aspects of the $(2+1)$-dimensional Gauss-Bonnet black hole proposed in [1][2]. The perturbations of scalar…”
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Superradiance and instabilities in black holes surrounded by anisotropic fluids by Cuadros-Melgar, B, Fontana, R. D. B, de Oliveira, Jeferson

“…Physical Review D 104 104039 (2021) In this paper we analyze the propagation of a charged scalar field in a Reissner-Nordstr\"om black hole endowed with one…”
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Analytical correspondence between shadow radius and black hole quasinormal frequencies by Cuadros-Melgar, B., Fontana, R.D.B., de Oliveira, Jeferson

“…We consider the equivalence of quasinormal modes and geodesic quantities recently brought back due to the black hole shadow observation by Event Horizon…”
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Analytical correspondence between shadow radius and black hole quasinormal frequencies by Cuadros-Melgar, B, Fontana, R. D. B, de Oliveira, Jeferson

“…Physics Letters B 811C (2020) 135966 We consider the equivalence of quasinormal modes and geodesic quantities recently brought back due to the black hole…”
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Late-time tails, entropy aspects, and stability of black holes with anisotropic fluids by Cuadros-Melgar, B, Fontana, R. D. B, de Oliveira, Jeferson

“…The European Physical Journal C volume 80, Article number: 848 (2020) In this work we consider black holes surrounded by anisotropic fluids in four dimensions…”
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Three-dimensional black holes with quintessence by de Oliveira, Jeferson, Fontana, R. D. B

“…Phys. Rev. D 98, 044005 (2018) We study a quintessential black hole solution in three dimensions, with mass and quintessence charge. By exploring the…”
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Dynamical evolution of non-minimally coupled scalar field in spherically symmetric de Sitter spacetimes by Fontana, R. D. B, de Oliveira, Jeferson, Pavan, A. B

“…Eur.Phys.J. C79 (2019) no.4, 338, (2019-04-13) We investigate the dynamical behavior of a scalar field non-minimally coupled to Einstein's tensor and Ricci…”
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Quasinormal modes of black holes immersed in a strong magnetic field by Konoplya, R.A., Fontana, R.D.B.

“…We found quasinormal modes, both in time and frequency domains, of the Ernst black holes, that is neutral black holes immersed in an external magnetic field…”
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EDUCAÇÃO AMBIENTAL EM TEMPOS DE COVID-19: PROCESSOS E PRODUTOS DA INTERAÇÃO REMOTA ASSÍNCRONA by BORDIN, L., BEGNINI, T. R. M., FONTANA, R. D. B., SILVA, G. M. B.

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Accelerated black holes in (2+1) dimensions: Quasinormal modes and Stability by Fontana, R. D. B, Rincon, Angel

“…We investigate the propagation of a scalar field in a $(2+1)$-dimensional accelerated black hole, recently revisited in \cite{Arenas_Henriquez_2022}. We…”
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Quasinormal modes of black holes immersed in a strong magnetic field by Konoplya, R. A, Fontana, R. D. B

“…Phys. Lett B 659, (2008), 375-379 We found quasinormal modes, both in time and frequency domains, of the Ernst black holes, that is neutral black holes…”
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Anomalous decay rate of quasinormal modes in Reissner-Nordstr\"om black holes by Fontana, R. D. B, González, P. A, Papantonopoulos, Eleftherios, Vásquez, Yerko

“…Phys. Rev. D 103, 064005 (2021) The anomalous decay rate of the quasinormal modes occurs when the longest-lived modes are the ones with higher angular number…”
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Instability of Reissner-Nordstr\"om-AdS black hole under perturbations of a scalar field coupled to Einstein tensor by Abdalla, E, Cuadros-Melgar, B, Fontana, R. D. B, de Oliveira, Jeferson, Papantonopoulos, Eleftherios, Pavan, A. B

“…Phys. Rev. D 99, 104065 (2019) We study the instability of a Reissner-Nordstr\"om-AdS (RNAdS) black hole under perturbations of a massive scalar field coupled…”
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