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Bending of Light in Quantum Gravity.
- Source :
-
Physical Review Letters . 2/13/2015, Vol. 114 Issue 6, p061301-1-061301-5. 5p. - Publication Year :
- 2015
-
Abstract
- We consider the scattering of lightlike matter in the presence of a heavy scalar object (such as the Sun or a Schwarzschild black hole). By treating general relativity as an effective field theory we directly compute the nonanalytic components of the one-loop gravitational amplitude for the scattering of massless scalars or photons from an external massive scalar field. These results allow a semiclassical computation of the bending angle for light rays grazing the Sun, including long-range h contributions. We discuss implications of this computation, in particular, the violation of some classical formulations of the equivalence principle. [ABSTRACT FROM AUTHOR]
Details
- Language :
- English
- ISSN :
- 00319007
- Volume :
- 114
- Issue :
- 6
- Database :
- Academic Search Index
- Journal :
- Physical Review Letters
- Publication Type :
- Academic Journal
- Accession number :
- 101503911
- Full Text :
- https://doi.org/10.1103/PhysRevLett.114.061301