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题名: Cosmological constraints on Lorentz invariance violation in the neutrino sector
作者: Guo, ZK ;  Huang, QG ;  Cai, RG ;  Zhang, YZ
刊名: PHYSICAL REVIEW D
出版日期: 2012
卷号: 86, 期号:6, 页码:65004
关键词: MICROWAVE BACKGROUND ANISOTROPIES ;  PHENOMENOLOGY ;  MODELS ;  SPACE
学科分类: Physics
通讯作者: Guo, ZK (reprint author), Chinese Acad Sci, State Key Lab Theoret Phys, Inst Theoret Phys, POB 2735, Beijing 100190, Peoples R China.
部门归属: [Guo, Zong-Kuan; Huang, Qing-Guo; Cai, Rong-Gen; Zhang, Yuan-Zhong] Chinese Acad Sci, State Key Lab Theoret Phys, Inst Theoret Phys, Beijing 100190, Peoples R China
英文摘要: We derive the Boltzmann equation in the synchronous gauge for massive neutrinos with a deformed dispersion relation. Combining the 7-year WMAP data with lower-redshift measurements of the expansion rate, we give constraints on the deformation parameter and find that the deformation parameter is strongly degenerate with the physical dark matter density rather than the neutrino mass. Our results show that there is no evidence for Lorentz invariant violation in the neutrino sector. The ongoing Planck experiment could provide improved constraints on the deformation parameter.
资助者: Knowledge Innovation Program of Chinese Academy of Science; NSFC [11175225, 10975167]; National Basic Research Program of China [2010CB832805, 2010CB833004]
收录类别: SCI
原文出处: 查看原文
语种: 英语
WOS记录号: WOS:000308292300009
Citation statistics: 
内容类型: 期刊论文
URI标识: http://ir.itp.ac.cn/handle/311006/15033
Appears in Collections:理论物理所2012年知识产出_期刊论文

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Recommended Citation:
Guo, ZK,Huang, QG,Cai, RG,et al. Cosmological constraints on Lorentz invariance violation in the neutrino sector[J]. PHYSICAL REVIEW D,2012,86(6):65004.
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