Dense astrophysical environments like globular clusters and galactic nuclei can host hyperbolic encounters of black holes which lead to gravitational-wave driven capture. There are several models predict a fraction binary hole mergers come from these radiation-driven capture scenarios. In this paper we present the sensitivity search towards events for O3, third observing run LIGO Virgo. We use ...

We study possible back-reaction and quantum gravity effects in the evaporation of black holes which could be produced at the LHC through a modification of the Hawking emission. The corrections are phenomenologically taken into account by employing a modified relation between the black hole mass and temperature. The usual assumption that black holes explode around 1TeV is also released, and the ...

We review recent work [1, 2, 3] on the Hawking radiation of rotating brane black holes, as may be produced at the LHC. We outline the methodology for calculating the fluxes of particles, energy and angular momentum by spin-0, spin-1/2 and spin1 quantum fields on the brane. We briefly review some of the key features of the emission, in particular the changes in the spectra as the number of extra...

We study the long term evolution of a solar type star that is being disrupted by a super massive (10 M⊙) black hole. The evolution is followed from the disruption event, which turns the star into a long thin stream of gas, to the point where some of this gas returns to pericenter and begins its second orbit around the black hole. Following the evolution for this long allows us to determine the ...

Galaxies are thought to be surrounded by massive halos of dark matter, each outweighing its galaxy by a factor of about eight. The visible part of a galaxy, occupying the inner 10% of the halo, consists of a mixture of stars and gas. Galaxies harbour a giant black hole at their centres, which in some cases is actively fuelled as it sucks in surrounding gas. In especially active galaxies, called...

Supermassive black holes inhabit galactic nuclei, and their presence influences in crucial ways the evolution of the stellar distribution. The low-density cores observed in bright galaxies are probably a result of black hole infall, while steep density cusps like those at the Galactic center are a result of energy exchange between stars moving in the gravita-tional field of the single black hol...

Supermassive black holes inhabit galactic nuclei, and their presence influences in crucial ways the evolution of the stellar distribution. The low-density cores observed in bright galaxies are probably a result of black hole infall, while steep density cusps like those at the Galactic center are a result of energy exchange between stars moving in the gravita-tional field of the single black hol...

In this paper, the stress concentration around a hole in the single layer composite materials with long fibers is examined. The single layer has an infinite length, limited with and instant thickness and is loaded by a constant tension force p at infinity. The width of the lamina is considered to be finite and bears a hole as a defect. Due to presence of excessive shear stress in the matrix bay...