CPT conserving cosmological birefringence

Details CPT conserving cosmological birefringence CPT conserving cosmological birefringence

2007-12-29

arxiv.org/abs/0801.0024v1

Int.J.Mod.Phys.A23:3408-3411,2008

Astronomy and Astrophysics

Astrophysics

4 pages, Talk given at 4th International Conference on Flavor Physics (ICFP 2007), Beijing, China, 24-28 Sep 2007

Scientific paper

10.1142/S0217751X08042213

We demonstrate that the cosmological birefringence can arise from CPT
conserving effect, originated from the CPT-even dimension-six Chern-Simons-like
term. We show that a sizable rotation polarization angle in the data of the
cosmic microwave background radiation polarization can be induced.

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