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Scalar and tensor perturbations in vacuum inflation
Huang, Zhiqiang1,2; Gao, Dongfeng1; Cai, Qing-Yu1
2017-05-18
Source PublicationCLASSICAL AND QUANTUM GRAVITY
Volume34Issue:10
SubtypeArticle
AbstractRecently, it was proposed that a small true vacuum universe can inflate spontaneously, in principle. Furthermore, there should be matter creation in vacuum inflation due to quantum fluctuations, and the matter created will influence the inflation simultaneously. In this paper, scalar and tensor perturbations in this model are analyzed and confronted with recent observations. These perturbations are derived and expressed with Hubble flow-functions. By comparing our calculations with experimental results, we can determine all the parameters in this model. Finally, with the determined parameters, we compute the evolution of the matter density and show that the matter produced in inflation roughly fits the observations at present.
KeywordVacuum Inflation Perturbations Matter Production
WOS HeadingsScience & Technology ; Physical Sciences
Funding OrganizationNational Natural Science Foundation of China(61471356) ; National Natural Science Foundation of China(61471356) ; National Natural Science Foundation of China(61471356) ; National Natural Science Foundation of China(61471356)
DOI10.1088/1361-6382/aa6b9c
WOS KeywordUNIVERSE
Indexed BySCI
Language英语
Funding OrganizationNational Natural Science Foundation of China(61471356) ; National Natural Science Foundation of China(61471356) ; National Natural Science Foundation of China(61471356) ; National Natural Science Foundation of China(61471356)
WOS Research AreaAstronomy & Astrophysics ; Physics
WOS SubjectAstronomy & Astrophysics ; Physics, Multidisciplinary ; Physics, Particles & Fields
WOS IDWOS:000413778700002
Citation statistics
Document Type期刊论文
Identifierhttp://ir.apm.ac.cn/handle/112942/11542
Collection理论与交叉研究部
Affiliation1.Chinese Acad Sci, Wuhan Inst Phys & Math, State Key Lab Magnet Resonances & Atom & Mol Phys, Wuhan 430071, Hubei, Peoples R China
2.Univ Chinese Acad Sci, Beijing 100049, Peoples R China
Recommended Citation
GB/T 7714
Huang, Zhiqiang,Gao, Dongfeng,Cai, Qing-Yu. Scalar and tensor perturbations in vacuum inflation[J]. CLASSICAL AND QUANTUM GRAVITY,2017,34(10).
APA Huang, Zhiqiang,Gao, Dongfeng,&Cai, Qing-Yu.(2017).Scalar and tensor perturbations in vacuum inflation.CLASSICAL AND QUANTUM GRAVITY,34(10).
MLA Huang, Zhiqiang,et al."Scalar and tensor perturbations in vacuum inflation".CLASSICAL AND QUANTUM GRAVITY 34.10(2017).
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