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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
Source PublicationJOURNAL OF HIGH ENERGY PHYSICS
Language英语
KeywordClassical Theories Of Gravity Spacetime Singularities
AbstractWe 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
Issue4Pages:130
Subject AreaPhysics
DOIhttp://dx.doi.org/10.1007/JHEP04(2015)130
Indexed BySCI
Funding OrganizationOpen 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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Document Type期刊论文
Identifierhttp://ir.itp.ac.cn/handle/311006/21026
Collection理论物理所科研产出_SCI论文
Corresponding AuthorQiu, TT (reprint author), Cent China Normal Univ, Inst Astrophys, Wuhan 430079, Peoples R China.
Recommended Citation
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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