標題: Cosmological birefringence due to CPT-even Chern-Simons-like term with Kalb-Ramond and scalar fields
作者: Ho, Shih-Hao
Kao, W. F.
Bamba, Kazuharu
Geng, C. Q.
物理研究所
Institute of Physics
公開日期: 5-May-2015
摘要: We study the CPT-even dimension-six Chern-Simons-like term by including dynamical Kalb-Ramond and scalar fields to examine the cosmological birefringence. We show that the combined effect of a neutrino current and a Kalb-Ramond field could induce a sizable rotation polarization angle in the cosmic microwave background radiation polarization.
URI: http://dx.doi.org/10.1140/epjc/s10052-015-3426-5
http://hdl.handle.net/11536/127924
ISSN: 1434-6044
DOI: 10.1140/epjc/s10052-015-3426-5
期刊: EUROPEAN PHYSICAL JOURNAL C
Volume: 75
Issue: 5
起始頁: 0
結束頁: 0
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