Eur. Phys. J. C (2015) 75: 449
https://doi.org/10.1140/epjc/s10052-015-3678-0

Regular Article - Theoretical Physics

Accretion of dark energy onto higher dimensional charged BTZ black hole

Department of Mathematics, Indian Institute of Engineering Science and Technology, Shibpur, Howrah, 711 103, India

^* e-mail: ujjaldebnath@yahoo.com
^** e-mail: ujjaldebnath@gmail.com
^*** e-mail: ujjal@iucaa.ernet.in

Received: 17 September 2014
Accepted: 15 September 2015
Published online: 25 September 2015

Abstract

In this work, we have studied the accretion of the -dimensional charged BTZ black hole (BH). The critical point and square speed of sound have been obtained. The mass of the BTZ BH has been calculated and we have observed that the mass of the BTZ BH is related with the square root of the energy density of the dark energy which accretes onto the BH in our accelerating FRW universe. We have assumed modified Chaplygin gas (MCG) as a candidate of dark energy which accretes onto the BH and we have found the expression of BTZ BH mass. Since in our solution of MCG, this model generates only quintessence dark energy (not phantom) and so BTZ BH mass increases during the whole evolution of the accelerating universe. Next we have assumed five kinds of parametrizations of well-known dark-energy models. These models generate both quintessence and phantom scenarios i.e., phantom crossing models. So if these dark energies accrete onto the BTZ BH, then in the quintessence stage, the BH mass increases up to a certain value (finite value) and then decreases to a certain finite value for the phantom stage during the whole evolution of the universe. We have shown these results graphically.