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Effects of quantum fluctuations of metric on the universe
Yang, RJ; Yang, RJ (reprint author), Hebei Univ, Coll Phys Sci & Technol, Baoding 071002, Peoples R China.
2016
发表期刊PHYSICS OF THE DARK UNIVERSE
卷号13页码:87-91
文章类型Article
摘要We consider a model of modified gravity from the nonperturbative quantization of a metric. We obtain the modified gravitational field equations and the modified conservational equations. We apply it to the FLRW spacetime and find that due to the quantum fluctuations a bounce universe can be obtained and a decelerated expansion can also possibly be obtained in a dark energy dominated epoch. We also discuss the effects of quantum fluctuations on inflation parameters (such as slow-roll parameters, spectral index, and the spectrum of the primordial curvature perturbation) and find values of parameters in the comparing the predictions of inflation can also work to drive the current epoch of acceleration. We obtain the constraints on the parameter of the theory from the observation of the big bang nucleosynthesis. (C) 2016 Elsevier B.V. All rights reserved.
关键词Modified Gravity Inflation Dark Energy Cosmology
学科领域Astronomy & Astrophysics
资助者National Natural Science Foundation of China [11147028, 11273010] ; National Natural Science Foundation of China [11147028, 11273010] ; National Natural Science Foundation of China [11147028, 11273010] ; National Natural Science Foundation of China [11147028, 11273010] ; Hebei Provincial Natural Science Foundation of China [A2014201068] ; Hebei Provincial Natural Science Foundation of China [A2014201068] ; Hebei Provincial Natural Science Foundation of China [A2014201068] ; Hebei Provincial Natural Science Foundation of China [A2014201068] ; Outstanding Youth Fund of Hebei University [2012JQ02] ; Outstanding Youth Fund of Hebei University [2012JQ02] ; Outstanding Youth Fund of Hebei University [2012JQ02] ; Outstanding Youth Fund of Hebei University [2012JQ02] ; Open Project Program of State Key Laboratory of Theoretical Physics, Institute of Theoretical Physics, Chinese Academy of Sciences, China [Y4KF101CJ1] ; Open Project Program of State Key Laboratory of Theoretical Physics, Institute of Theoretical Physics, Chinese Academy of Sciences, China [Y4KF101CJ1] ; Open Project Program of State Key Laboratory of Theoretical Physics, Institute of Theoretical Physics, Chinese Academy of Sciences, China [Y4KF101CJ1] ; Open Project Program of State Key Laboratory of Theoretical Physics, Institute of Theoretical Physics, Chinese Academy of Sciences, China [Y4KF101CJ1] ; Midwest universities comprehensive strength promotion project ; Midwest universities comprehensive strength promotion project ; Midwest universities comprehensive strength promotion project ; Midwest universities comprehensive strength promotion project ; National Natural Science Foundation of China [11147028, 11273010] ; National Natural Science Foundation of China [11147028, 11273010] ; National Natural Science Foundation of China [11147028, 11273010] ; National Natural Science Foundation of China [11147028, 11273010] ; Hebei Provincial Natural Science Foundation of China [A2014201068] ; Hebei Provincial Natural Science Foundation of China [A2014201068] ; Hebei Provincial Natural Science Foundation of China [A2014201068] ; Hebei Provincial Natural Science Foundation of China [A2014201068] ; Outstanding Youth Fund of Hebei University [2012JQ02] ; Outstanding Youth Fund of Hebei University [2012JQ02] ; Outstanding Youth Fund of Hebei University [2012JQ02] ; Outstanding Youth Fund of Hebei University [2012JQ02] ; Open Project Program of State Key Laboratory of Theoretical Physics, Institute of Theoretical Physics, Chinese Academy of Sciences, China [Y4KF101CJ1] ; Open Project Program of State Key Laboratory of Theoretical Physics, Institute of Theoretical Physics, Chinese Academy of Sciences, China [Y4KF101CJ1] ; Open Project Program of State Key Laboratory of Theoretical Physics, Institute of Theoretical Physics, Chinese Academy of Sciences, China [Y4KF101CJ1] ; Open Project Program of State Key Laboratory of Theoretical Physics, Institute of Theoretical Physics, Chinese Academy of Sciences, China [Y4KF101CJ1] ; Midwest universities comprehensive strength promotion project ; Midwest universities comprehensive strength promotion project ; Midwest universities comprehensive strength promotion project ; Midwest universities comprehensive strength promotion project
DOIhttp://dx.doi.org/10.1016/j.dark.2016.04.007
关键词[WOS]INDUCED PARTICLE-PRODUCTION ; MODIFIED GRAVITY ; NUCLEOSYNTHESIS ; MATTER ; PROBE
收录类别SCI
语种英语
资助者National Natural Science Foundation of China [11147028, 11273010] ; National Natural Science Foundation of China [11147028, 11273010] ; National Natural Science Foundation of China [11147028, 11273010] ; National Natural Science Foundation of China [11147028, 11273010] ; Hebei Provincial Natural Science Foundation of China [A2014201068] ; Hebei Provincial Natural Science Foundation of China [A2014201068] ; Hebei Provincial Natural Science Foundation of China [A2014201068] ; Hebei Provincial Natural Science Foundation of China [A2014201068] ; Outstanding Youth Fund of Hebei University [2012JQ02] ; Outstanding Youth Fund of Hebei University [2012JQ02] ; Outstanding Youth Fund of Hebei University [2012JQ02] ; Outstanding Youth Fund of Hebei University [2012JQ02] ; Open Project Program of State Key Laboratory of Theoretical Physics, Institute of Theoretical Physics, Chinese Academy of Sciences, China [Y4KF101CJ1] ; Open Project Program of State Key Laboratory of Theoretical Physics, Institute of Theoretical Physics, Chinese Academy of Sciences, China [Y4KF101CJ1] ; Open Project Program of State Key Laboratory of Theoretical Physics, Institute of Theoretical Physics, Chinese Academy of Sciences, China [Y4KF101CJ1] ; Open Project Program of State Key Laboratory of Theoretical Physics, Institute of Theoretical Physics, Chinese Academy of Sciences, China [Y4KF101CJ1] ; Midwest universities comprehensive strength promotion project ; Midwest universities comprehensive strength promotion project ; Midwest universities comprehensive strength promotion project ; Midwest universities comprehensive strength promotion project ; National Natural Science Foundation of China [11147028, 11273010] ; National Natural Science Foundation of China [11147028, 11273010] ; National Natural Science Foundation of China [11147028, 11273010] ; National Natural Science Foundation of China [11147028, 11273010] ; Hebei Provincial Natural Science Foundation of China [A2014201068] ; Hebei Provincial Natural Science Foundation of China [A2014201068] ; Hebei Provincial Natural Science Foundation of China [A2014201068] ; Hebei Provincial Natural Science Foundation of China [A2014201068] ; Outstanding Youth Fund of Hebei University [2012JQ02] ; Outstanding Youth Fund of Hebei University [2012JQ02] ; Outstanding Youth Fund of Hebei University [2012JQ02] ; Outstanding Youth Fund of Hebei University [2012JQ02] ; Open Project Program of State Key Laboratory of Theoretical Physics, Institute of Theoretical Physics, Chinese Academy of Sciences, China [Y4KF101CJ1] ; Open Project Program of State Key Laboratory of Theoretical Physics, Institute of Theoretical Physics, Chinese Academy of Sciences, China [Y4KF101CJ1] ; Open Project Program of State Key Laboratory of Theoretical Physics, Institute of Theoretical Physics, Chinese Academy of Sciences, China [Y4KF101CJ1] ; Open Project Program of State Key Laboratory of Theoretical Physics, Institute of Theoretical Physics, Chinese Academy of Sciences, China [Y4KF101CJ1] ; Midwest universities comprehensive strength promotion project ; Midwest universities comprehensive strength promotion project ; Midwest universities comprehensive strength promotion project ; Midwest universities comprehensive strength promotion project
WOS类目Astronomy & Astrophysics
引用统计
文献类型期刊论文
条目标识符http://ir.itp.ac.cn/handle/311006/21550
专题理论物理所SCI论文
通讯作者Yang, RJ (reprint author), Hebei Univ, Coll Phys Sci & Technol, Baoding 071002, Peoples R China.
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Yang, RJ,Yang, RJ . Effects of quantum fluctuations of metric on the universe[J]. PHYSICS OF THE DARK UNIVERSE,2016,13:87-91.
APA Yang, RJ,&Yang, RJ .(2016).Effects of quantum fluctuations of metric on the universe.PHYSICS OF THE DARK UNIVERSE,13,87-91.
MLA Yang, RJ,et al."Effects of quantum fluctuations of metric on the universe".PHYSICS OF THE DARK UNIVERSE 13(2016):87-91.
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