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- Title
Cosmological birefringence induced by neutrino current.
- Authors
Geng, C Q; Ho, S H; Ng, J N
- Abstract
We review our recent work, Geng et al. (J. Cosmol. Astropart. Phys. 09, 010 (2007)) on the cosmological birefringence. We propose a new type of effective interactions in terms of the CPT-even dimension-six Chern–Simons-like term to generate the cosmological birefringence. We use the neutrino number asymmetry to induce a nonzero rotation polarization angle in the data of the cosmic microwave background-radiation polarization.PACS Nos.: 98.80.Cq, 98.80.Es, 11.30.Fs
- Subjects
METAPHYSICAL cosmology; DOUBLE refraction; NEUTRINOS; COSMIC background radiation; OPTICAL polarization
- Publication
Canadian Journal of Physics, 2008, Vol 86, Issue 4, p587
- ISSN
0008-4204
- Publication type
Article
- DOI
10.1139/P07-178