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For a two-dimensional black hole we determine the quasinormal frequencies of the Klein-Gordon and Dirac fields. In contrast to the well known examples whose spectrum of quasinormal frequencies is discrete, for this black hole we find a…

General Relativity and Quantum Cosmology · Physics 2014-07-04 S. Estrada-Jimenez , J. R. Gomez-Diaz , A. Lopez-Ortega

We study new type black holes in three-dimensional New Massive Gravity and we calculate analytically the quasinormal modes for fermionic perturbations for some special cases. Then, we show that for these cases the new type black holes are…

General Relativity and Quantum Cosmology · Physics 2015-06-19 P. A. Gonzalez , Yerko Vasquez

We study charged fermionic perturbations in the background of two-dimensional charged Dilatonic black holes, and we present the exact Dirac quasinormal modes. Also, we study the stability of these black holes under charged fermionic…

General Relativity and Quantum Cosmology · Physics 2015-06-19 Ramon Becar , P. A. Gonzalez , Y. Vasquez

We connect the quasinormal modes corresponding to Dirac fermions in various black holes backgrounds to an N=2 supersymmetric quantum mechanics algebra, which can be constructed from the radial part of the fermionic solutions of the Dirac…

General Relativity and Quantum Cosmology · Physics 2015-06-04 V. K. Oikonomou

We study the quasinormal modes of fermionic perturbations for an asymptotically Lifshitz black hole in 4-dimensions with dynamical exponent z=2 and plane topology for the transverse section, and we find analytically and numerically the…

General Relativity and Quantum Cosmology · Physics 2015-06-18 Marcela Catalan , Eduardo Cisternas , P. A. Gonzalez , Yerko Vasquez

We study charged massless fermionic perturbations in the background of $4$-dimensional linear dilaton black holes in Einstein-Maxwell-dilaton theory with double Liouville-type potentials. We present the analytical fermionic quasinormal…

High Energy Physics - Theory · Physics 2021-02-09 İzzet Sakalli , Gülnihal Tokgöz Hyusein

We study Chern-Simons black holes in d-dimensions and we calculate analytically the quasinormal modes of fermionic perturbations. Also, we consider as background the five-dimensional Chern-Simons black hole with torsion and the BTZ black…

General Relativity and Quantum Cosmology · Physics 2014-01-15 Ramon Becar , P. A. Gonzalez , Y. Vasquez

We exactly calculate the quasinormal frequencies of the electromagnetic and Klein-Gordon perturbations propagating in a five-dimensional dilatonic black hole. Furthermore we exactly find the quasinormal frequencies of the massive Dirac…

General Relativity and Quantum Cosmology · Physics 2010-01-26 A. López-Ortega

In this article, we study the stability of black hole solutions found in the context of dilatonic Horava-Lifshitz gravity in $1+1$ dimensions by means of the quasinormal modes approach. In order to find the corresponding quasinormal modes,…

General Relativity and Quantum Cosmology · Physics 2016-02-22 Miguel Cruz , Manuel Gonzalez-Espinoza , Joel Saavedra , Diego Vargas-Arancibia

Quasinormal modes of a massive Dirac field were calculated for various static black hole backgrounds with the help of the WKB formula. These estimations, however, are rough and valid only for very small values of $\mu M$, where $M$ and…

General Relativity and Quantum Cosmology · Physics 2018-04-18 Roman A. Konoplya , Alexander Zhidenko

In this work we study the Dirac quasinormal modes of higher dimensional charged black holes. Higher dimensional Reissner-N\"{o}rdstrom type black holes as well as charged black holes in Einstein Gauss-Bonnet theories are studied for…

General Relativity and Quantum Cosmology · Physics 2009-07-09 Sayan K. Chakrabarti

In a D-dimensional Lifshitz black hole we calculate exactly the quasinormal frequencies of a test Dirac field in the massless and zero angular eigenvalue limits. These results are an extension of the previous calculations in which the…

General Relativity and Quantum Cosmology · Physics 2014-09-26 A. Lopez-Ortega

The quasinormal modes (QNMs) associated with the decay of Dirac field perturbation around a Schwarzschild black hole is investigated by using continued fraction and Hill-determinant approaches. It is shown that the fundamental quasinormal…

General Relativity and Quantum Cosmology · Physics 2009-11-11 Jiliang Jing

In this paper we study the Dirac quasinormal modes of an uncharged 2 + 1 black hole proposed by Mandal et. al and referred to as MSW black hole in this work. The quasi- normal mode is studied using WKB approximation method. The study shows…

General Relativity and Quantum Cosmology · Physics 2014-02-19 Saneesh Sebastian , V. C. Kuriakose

We study the propagation of massless fermionic fields in the background of a three-dimensional Lifshitz black hole, which is a solution of conformal gravity. The black hole solution is characterized by a null dynamical exponent. Then, we…

High Energy Physics - Theory · Physics 2017-09-20 P. A. González , Yerko Vásquez , Ruth Noemi Villalobos

In this work, we present the quasinormal modes of a fermionic field in the background of Gauss-Bonnet-AdS black holes. We find exact solutions for $D=5$ at the fixed value $\alpha=R^2/2$ of the Gauss--Bonnet coupling constant, with $R$…

General Relativity and Quantum Cosmology · Physics 2018-09-26 P. A. Gonzalez , Yerko Vasquez , Ruth Noemi Villalobos

We study neutral massless scalar field perturbations around an extreme dilaton black hole in 2 +1 dimensions: the wave equations of the massless scalar field is shown to be exactly solvable in terms of Whittaker functions. Thus, the…

General Relativity and Quantum Cosmology · Physics 2022-07-27 Sharmanthie Fernando , P. A. González , Yerko Vásquez

We have studied quasinormal modes of spinor $\frac{1}{2}$, massless Dirac field perturbations of a black hole in massive gravity. The parameters of the theory, such as the mass of the black hole, the scalar charge of the black hole, mode…

General Relativity and Quantum Cosmology · Physics 2015-09-23 Sharmanthie Fernando

The quasinormal modes (QNMs) associated with the decay of Dirac field perturbation around a Schwarzschild-anti-de Sitter (SAdS) black hole is investigated by using Horowitz-Hubeny approach. We find that both the real and the imaginary parts…

General Relativity and Quantum Cosmology · Physics 2007-05-23 Jiliang Jing

We study the quasinormal mode and stability of optical black holes in moving dielectrics. The results show that the real part of complex frequencies is inversely proportional to but the absolute value of an imaginary part is proportional to…

General Relativity and Quantum Cosmology · Physics 2020-02-05 Yang Guo , Yan-Gang Miao
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