Gravitational birefringence of light at cosmological scales [CL]

http://arxiv.org/abs/1804.10420


Birefringence of light induced not by matter, but by the gradient of an electric field, has been predicted in 1955 and observed in 2008. Here we replace the electric field by the gravitional field of our expanding universe.

Read this paper on arXiv…

C. Duval and T. Schucker
Mon, 30 Apr 18
49/63

Comments: contribution to the Moriond conference on cosmology, La Thuile, March 17 – 24, 2018 4 pages, 2 figures