ITP OpenIR  > 理论物理所2014年知识产出
Finding possibility of dynamical dark energy with Hubble parameters
Wang, JX; Meng, XH; Wang, JX (reprint author), Nankai Univ, Dept Phys, Tianjin 300071, Peoples R China.
2014
发表期刊MODERN PHYSICS LETTERS A
ISSN0217-7323
卷号29期号:32页码:1450155
摘要The Hubble parameter is a critical measurement in cosmology, which contains the most direct information of the cosmic expansion history. Since discrepancy is found between low redshift and high redshift estimations of Hubble constant, we are interested in whether that tension indicates dynamical dark energy. In this paper, we emphasize that the observed Hubble parameters at various redshifts, along with observed Hubble constant, can help us in probing the evolutional behavior of the mysterious dark energy. Null hypothesis tests are carried out with two diagnostic approaches. We find out that, according to the present measurements of Hubble parameters, rejection of constant dark energy is captured at 1 sigma level from null tests with and without the observed value of Hubble constant.
部门归属[Wang, Jiaxin] Nankai Univ, Dept Phys, Tianjin 300071, Peoples R China ; Chinese Acad Sci, Inst Theoret Phys, State Key Lab Theoret Phys, Beijing 100190, Peoples R China
关键词Constant
学科领域Physics
DOI10.1142/S0217732314501557
URL查看原文
收录类别SCI
语种英语
WOS记录号WOS:000344227400003
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文献类型期刊论文
条目标识符http://ir.itp.ac.cn/handle/311006/15616
专题理论物理所2014年知识产出
通讯作者Wang, JX (reprint author), Nankai Univ, Dept Phys, Tianjin 300071, Peoples R China.
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Wang, JX,Meng, XH,Wang, JX . Finding possibility of dynamical dark energy with Hubble parameters[J]. MODERN PHYSICS LETTERS A,2014,29(32):1450155.
APA Wang, JX,Meng, XH,&Wang, JX .(2014).Finding possibility of dynamical dark energy with Hubble parameters.MODERN PHYSICS LETTERS A,29(32),1450155.
MLA Wang, JX,et al."Finding possibility of dynamical dark energy with Hubble parameters".MODERN PHYSICS LETTERS A 29.32(2014):1450155.
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