NDLI: Accretion of dark energy onto stringy electrically charged black hole

Content Provider	Springer Nature Link
Author	Geng, Jin Ling Zhang, Yu Li, En Kun Duan, Peng Fei
Copyright Year	2015
Abstract	This paper studies the accretion of dark energy onto a stringy electrically charged black hole. Solution for a general spherical accretion of the ideal fluid onto a black hole is given first. It is shown that the location of the critical point lies inside the event horizon. In our paper, two solvable models of dark energy are considered. For the linearized model, the expression for the mass of the black hole is derived. And for the Chaplygin gas model, the change rate of the black hole mass is obtained. The results show that the mass of the stringy electrically charged black hole is fixed when $\rho+ p = 0$ , but decreases at $\rho+ p < 0$ and increases at $\rho+ p >0$ . Then, we conclude that the accretion of phantom-like dark energy makes the mass of the black hole decrease, and the accretion of the quintessence-like dark energy can increase the black hole mass. The bigger the absolute value of the pressure is, the faster the black hole mass decreases.
Starting Page	1
Ending Page	7
Page Count	7
File Format	PDF
ISSN	0004640X
Journal	Astrophysics and Space Science
Volume Number	360
Issue Number	1
e-ISSN	1572946X
Language	English
Publisher	Springer Netherlands
Publisher Date	2015-10-01
Publisher Place	Dordrecht
Access Restriction	One Nation One Subscription (ONOS)
Subject Keyword	Stringy electrically charged black hole Dark energy Chaplygin gas Astrophysics and Astroparticles Astronomy, Observations and Techniques Cosmology Extraterrestrial Physics, Space Sciences Astrobiology
Content Type	Text
Resource Type	Article
Subject	Astronomy and Astrophysics Space and Planetary Science

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