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题名: Obtaining the CMB anomalies with a bounce from the contracting phase to inflation
作者: Liu, ZG ;  Guo, ZK ;  Piao, YS
刊名: PHYSICAL REVIEW D
出版日期: 2013
卷号: 88, 期号:6, 页码:63539
关键词: HEMISPHERICAL POWER ASYMMETRY ;  PRE-BIG-BANG ;  STRING COSMOLOGY ;  UNIVERSE ;  PERTURBATIONS
学科分类: Physics
通讯作者: Liu, ZG (reprint author), Univ Chinese Acad Sci, Sch Phys, Beijing 100049, Peoples R China.
部门归属: [Liu, Zhi-Guo; Piao, Yun-Song] Univ Chinese Acad Sci, Sch Phys, Beijing 100049, Peoples R China; [Guo, Zong-Kuan] Chinese Acad Sci, Inst Theoret Phys, State Key Lab Theoret Phys, Beijing 100190, Peoples R China
英文摘要: Recent Planck data show the anomalies of cosmic microwave background (CMB) fluctuations on large angular scales, which confirms the early observations by WMAP. We continue studying an inflationary model, in which before the slow-roll inflation the universe is in a contracting phase, and fit the model with the Planck data. We show that this model may generate not only the power deficit at low l, but also a large hemispherical power asymmetry in the CMB. We also discuss the implication of the result to the eternal inflation scenario.
资助者: National Basic Research Program of China [2010CB832805, 2010CB832804]; NSFC [11075205, 11222546, 11175225]; project of Knowledge Innovation Program of Chinese Academy of Science
收录类别: SCI
原文出处: 查看原文
语种: 英语
WOS记录号: WOS:000325034100002
Citation statistics: 
内容类型: 期刊论文
URI标识: http://ir.itp.ac.cn/handle/311006/15273
Appears in Collections:理论物理所2013年知识产出 _期刊论文

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Recommended Citation:
Liu, ZG,Guo, ZK,Piao, YS. Obtaining the CMB anomalies with a bounce from the contracting phase to inflation[J]. PHYSICAL REVIEW D,2013,88(6):63539.
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