Abstract
We compute the birefringence of light in curved Robertson-Walker spacetimes and propose an exotic formula for redshift based on the internal structure of the spinning photon. We then use the Hubble diagram of supernovae to test this formula.
- Received 26 February 2018
DOI:https://doi.org/10.1103/PhysRevD.97.123508
© 2018 American Physical Society