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题名: Emergence of space and spacetime dynamics of Friedmann-Robertson-Walker universe
作者: Cai, RG
刊名: JOURNAL OF HIGH ENERGY PHYSICS
出版日期: 2012
期号: 11, 页码:16
关键词: GRAVITY ;  THERMODYNAMICS
学科分类: Physics
通讯作者: Cai, RG (reprint author), Chinese Acad Sci, Inst Theoret Phys, State Key Lab Theoret Phys, POB 2735, Beijing 100190, Peoples R China.
部门归属: Chinese Acad Sci, Inst Theoret Phys, State Key Lab Theoret Phys, Beijing 100190, Peoples R China
英文摘要: In a recent paper [arXiv: 1206.4916] by T. Padmanabhan, it was argued that our universe provides an ideal setup to stress the issue that cosmic space is emergent as cosmic time progresses and that the expansion of the universe is due to the difference between the number of degrees of freedom on a holographic surface and the one in the emerged bulk. In this note following this proposal we obtain the Friedmann equation of a higher dimensional Friedmann-Robertson-Walker universe. By properly modifying the volume increase and the number of degrees of freedom on the holographic surface from the entropy formulas of black hole in the Gauss-Bonnet gravity and more general Lovelock gravity, we also get corresponding dynamical equations of the universe in those gravity theories.
资助者: National Natural Science Foundation of China [10821504, 10975168, 11035008]; Ministry of Science and Technology of China [2010CB833004]
收录类别: SCI
原文出处: 查看原文
语种: 英语
WOS记录号: WOS:000312197800016
Citation statistics: 
内容类型: 期刊论文
URI标识: http://ir.itp.ac.cn/handle/311006/14998
Appears in Collections:理论物理所2012年知识产出_期刊论文

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Recommended Citation:
Cai, RG. Emergence of space and spacetime dynamics of Friedmann-Robertson-Walker universe[J]. JOURNAL OF HIGH ENERGY PHYSICS,2012(11):16.
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