| Issue |
EPL
Volume 133, Number 5, March 2021
|
|
|---|---|---|
| Article Number | 50006 | |
| Number of page(s) | 6 | |
| Section | General | |
| DOI | https://doi.org/10.1209/0295-5075/133/50006 | |
| Published online | 07 May 2021 | |
Bending of light in novel 4D Gauss-Bonnet-de Sitter black holes by the Rindler-Ishak method
1 Department of Physics, Shahid Beheshti University - G. C., Evin, Tehran 19839, Iran
2 Department of Physics, The University of Qom - 3716146611, Qom, Iran
(a) m_heydarifard@sbu.ac.ir
(b) heydarifard@qom.ac.ir
(c) hr-sepangi@sbu.ac.ir
Received: 28 July 2020
Accepted: 22 February 2021
We study the bending of light in the space-time of black holes in the four-dimensional Einstein-Gauss-Bonnet theory of gravity, recently proposed by Glavan and Lin in Phys. Rev. Lett., 124 (2020) 081301. Using the Rindler-Ishak method, the effect of Gauss-Bonnet coupling on the bending angle is studied. We show that a positive Gauss-Bonnet coupling gives a negative contribution to the Schwarzschild-de Sitter deflection angle, as one would expect.
PACS: 04.50.Kd – Modified theories of gravity / 04.70.Bw – Classical black holes / 04.80.Cc – Experimental tests of gravitational theories
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