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Qiu, TT; Wang, YT; Qiu, TT (reprint author), Cent China Normal Univ, Inst Astrophys, Wuhan 430079, Peoples R China.
G-bounce inflation: towards nonsingular inflation cosmology with galileon field
发表期刊JOURNAL OF HIGH ENERGY PHYSICS
语种英语
关键词Classical Theories Of Gravity Spacetime Singularities
摘要We study a nonsingular bounce inflation model, which can drive the early universe from a contracting phase, bounce into an ordinary inflationary phase, followed by the reheating process. Besides the bounce that avoided the Big-Bang singularity which appears in the standard cosmological scenario, we make use of the Horndesky theory and design the kinetic and potential forms of the lagrangian, so that neither of the two big problems in bouncing cosmology, namely the ghost and the anisotropy problems, will appear. The cosmological perturbations can be generated either in the contracting phase or in the inflationary phase, where in the latter the power spectrum will be scale-invariant and fit the observational data, while in the former the perturbations will have nontrivial features that will be tested by the large scale structure experiments. We also fit our model to the CMB TT power spectrum.
2015
期号4页码:130
学科领域Physics
DOIhttp://dx.doi.org/10.1007/JHEP04(2015)130
收录类别SCI
项目资助者Open Project Program of State Key Laboratory of Theoretical Physics, Institute of Theoretical Physics, Chinese Academy of Sciences, China [Y4KF131CJ1] ; Open Project Program of State Key Laboratory of Theoretical Physics, Institute of Theoretical Physics, Chinese Academy of Sciences, China [Y4KF131CJ1] ; Open Project Program of State Key Laboratory of Theoretical Physics, Institute of Theoretical Physics, Chinese Academy of Sciences, China [Y4KF131CJ1] ; Open Project Program of State Key Laboratory of Theoretical Physics, Institute of Theoretical Physics, Chinese Academy of Sciences, China [Y4KF131CJ1] ; NSFC [11405069, 11222546] ; NSFC [11405069, 11222546] ; NSFC [11405069, 11222546] ; NSFC [11405069, 11222546] ; National Basic Research Program of China [2010CB832804] ; National Basic Research Program of China [2010CB832804] ; National Basic Research Program of China [2010CB832804] ; National Basic Research Program of China [2010CB832804]
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文献类型期刊论文
条目标识符http://ir.itp.ac.cn/handle/311006/21026
专题理论物理所科研产出_SCI论文
通讯作者Qiu, TT (reprint author), Cent China Normal Univ, Inst Astrophys, Wuhan 430079, Peoples R China.
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GB/T 7714
Qiu, TT,Wang, YT,Qiu, TT . G-bounce inflation: towards nonsingular inflation cosmology with galileon field[J]. JOURNAL OF HIGH ENERGY PHYSICS,2015(4):130.
APA Qiu, TT,Wang, YT,&Qiu, TT .(2015).G-bounce inflation: towards nonsingular inflation cosmology with galileon field.JOURNAL OF HIGH ENERGY PHYSICS(4),130.
MLA Qiu, TT,et al."G-bounce inflation: towards nonsingular inflation cosmology with galileon field".JOURNAL OF HIGH ENERGY PHYSICS .4(2015):130.
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