Perturbations of black holes, initially considered in the context of possible observations of
astrophysical effects, have been studied for the past 10 years in string theory, brane-world …

Quasinormal modes are eigenmodes of dissipative systems. Perturbations of classical
gravitational backgrounds involving black holes or branes naturally lead to quasinormal …

The WKB approach for finding quasinormal modes of black holes, suggested in Schutz and
Will (1985 Astrophys. J. Lett. 291 L33–6) by Schutz and Will at the first order and later …

We study characteristic (quasinormal) modes of a D-dimensional Schwarzschild black hole.
It is shown that the real parts of the complex quasinormal modes, representing the real …

Black holes (BHs) convey information about different matter‐energy distributions in their
immediate environment, as they bear the imprints of the intrinsic spacetime geometry and …

Black hole quasinormal frequencies are complex numbers that encode information on how a
black hole relaxes after it has been perturbed and depend on the features of the geometry …

The low-lying frequencies of characteristic quasi-normal modes (QNMs) of Schwarzschild–
de Sitter (SdS) black holes have been calculated for fields of different spin using the sixth …

Abstract We use the Lorentzian AdS/CFT prescription to find the poles of the retarded
thermal Green's functions of N= 4 SU (N) supersymmetric Yang-Mills theory in the limit of …

We present a thorough analysis of the quasinormal (QN) behavior associated with the decay
of scalar, electromagnetic, and gravitational perturbations of Schwarzschild black holes in …

Astrophysical black holes are generally surrounded by accretion disks, galactic matter and
the omnipresent cosmic microwave background radiation, thus allowing for the concurrent …