Light bending in infinite derivative theories of gravity
Feng, Lei1,2
Source PublicationPHYSICAL REVIEW D

Light bending is one of the significant predictions of general relativity (GR) and it has been confirmed with great accuracy during the past one hundred years. In this paper, we semiclassically calculate the deflection angle for the photons that just graze the Sun in the infinite derivative theories of gravity (IDG) which is a ghost and singularity free theory of gravity. From our calculations, we find that the deflection angle. only depends on Lambda/E. theta -> theta(E) when Lambda/E -> infinity and decrease to zero when Lambda/E -> 0. The transition interval occurs at 10(4) < E/Lambda < 10(7). It should be pointed out that this model can be tested by the Chandra X-ray Observatory if 0.01 eV < Lambda < 0.1 eV.

Indexed BySCI
WOS Research AreaAstronomy & Astrophysics ; Physics
WOS SubjectAstronomy & Astrophysics ; Physics, Particles & Fields
WOS IDWOS:000403666800007
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Cited Times:7[WOS]   [WOS Record]     [Related Records in WOS]
Document Type期刊论文
Corresponding AuthorFeng, Lei
Affiliation1.Chinese Acad Sci, Purple Mt Observ, Key Lab Dark Matter & Space Astron, Nanjing 210008, Jiangsu, Peoples R China
2.Joint Ctr Particle Nucl Phys & Cosmol, Nanjing 210093, Jiangsu, Peoples R China
Recommended Citation
GB/T 7714
Feng, Lei. Light bending in infinite derivative theories of gravity[J]. PHYSICAL REVIEW D,2017,95(8):4.
APA Feng, Lei.(2017).Light bending in infinite derivative theories of gravity.PHYSICAL REVIEW D,95(8),4.
MLA Feng, Lei."Light bending in infinite derivative theories of gravity".PHYSICAL REVIEW D 95.8(2017):4.
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