CPT守恒宇宙双折射
CPT conserving cosmological birefringence
摘要:
我们证明了宇宙学双折射是由CPT守恒效应引起的,CPT守恒效应起源于CPT偶六维Chern-Simons类项。结果表明,在宇宙微波背景辐射极化的数据中,可以诱导出一个相当大的旋转极化角。
英文摘要:
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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