The Gravitational Deflection of Light in F(R)-gravity
Abstract
The fact that the gravitation could deflect the light trajectory has been confirmed by a large number of observation data, that is consistent with the result calculated by Einstein's gravity. F(R)-gravity is the modification of Einstein's gravity. According to the field equations obtained by the action of the f(R) form, we get a similar Schwarzschild metric. According to the condition that four-dimension momenta of the photon return to zero and that of conservation of covariant momenta, we obtain the equation of motion of the photon in a specific form of f (R)-gravity. We solve the equation to get the gravitational deflection angle of light that grazes the surface of sun and the calculation result is consistent with the experimental observation data.
Keywords
Cite
@article{arxiv.1303.3662,
title = {The Gravitational Deflection of Light in F(R)-gravity},
author = {Long Huang and Feng He and Hai Huang and Min Yao},
journal= {arXiv preprint arXiv:1303.3662},
year = {2015}
}