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A New Global 1-form in Lyra Geometric Cosmos Model
Zhi, HZ; Shi, MJ; Meng, XH; Zhang, LZ; Meng, XH (reprint author), Nankai Univ, Dept Phys, Tianjin 300071, Peoples R China.
2014
发表期刊INTERNATIONAL JOURNAL OF THEORETICAL PHYSICS
ISSN0020-7748
卷号53期号:11页码:4002-4011
摘要Dark energy phenomena has inspired lots of investigations on the cosmological constant problems. In order to understand its origin and properties as well as its impacts on universe's evolutions, there are many approaches to modify the well-known General Relativity, such as the Weyl-Lyra Geometry. In the well studied cosmology model within Lyra geometry, there is a problem that the first law of thermodynamics is violated. To unravel this issue, if we use the effective density and pressure in the Lyra cosmology model to preserve the first law of thermodynamics in the cosmos, the former 1-form (beta, 0, 0, 0) cannot give a proper vacuum behavior. In this paper, the auxiliary 1-form is modified to overcome this difficulty. It can be shown that the complex terms in the field equation derived from the regime of Lyra Geometric 3/2 phi(mu)phi(nu) - 3/4 delta(mu)(nu)phi(alpha)phi(alpha) with our new 1-form could behave just as the cosmological constant. This work can be regarded as a new exploration on a possible origin of the cosmological constant from a Lyra cosmology model.
部门归属[Zhi, Haizhao ; Meng, Xin-He ; Zhang, Lianzhong] Nankai Univ, Dept Phys, Tianjin 300071, Peoples R China ; [Shi, Mengjiao] Nankai Univ, Chern Inst Math, Tianjin 300071, Peoples R China ; [Meng, Xin-He] Chinese Acad Sci, State Key Lab ITP, Beijing 100190, Peoples R China ; [Meng, Xin-He] Chinese Acad Sci, Kavli Inst Theoret Phys China, Beijing 100190, Peoples R China
关键词Cosmological Models Ia Supernovae Manifold Constant Universe Deceleration Lambda Omega
学科领域Physics
资助者Natural Science Foundation of China [11075078, 10675062]; Chinese Academy of Sciences (CAS) [KJCX2.YW.W10] ; Natural Science Foundation of China [11075078, 10675062]; Chinese Academy of Sciences (CAS) [KJCX2.YW.W10] ; Natural Science Foundation of China [11075078, 10675062]; Chinese Academy of Sciences (CAS) [KJCX2.YW.W10] ; Natural Science Foundation of China [11075078, 10675062]; Chinese Academy of Sciences (CAS) [KJCX2.YW.W10] ; Natural Science Foundation of China [11075078, 10675062]; Chinese Academy of Sciences (CAS) [KJCX2.YW.W10] ; Natural Science Foundation of China [11075078, 10675062]; Chinese Academy of Sciences (CAS) [KJCX2.YW.W10] ; Natural Science Foundation of China [11075078, 10675062]; Chinese Academy of Sciences (CAS) [KJCX2.YW.W10] ; Natural Science Foundation of China [11075078, 10675062]; Chinese Academy of Sciences (CAS) [KJCX2.YW.W10]
DOI10.1007/s10773-014-2151-4
URL查看原文
收录类别SCI
语种英语
资助者Natural Science Foundation of China [11075078, 10675062]; Chinese Academy of Sciences (CAS) [KJCX2.YW.W10] ; Natural Science Foundation of China [11075078, 10675062]; Chinese Academy of Sciences (CAS) [KJCX2.YW.W10] ; Natural Science Foundation of China [11075078, 10675062]; Chinese Academy of Sciences (CAS) [KJCX2.YW.W10] ; Natural Science Foundation of China [11075078, 10675062]; Chinese Academy of Sciences (CAS) [KJCX2.YW.W10] ; Natural Science Foundation of China [11075078, 10675062]; Chinese Academy of Sciences (CAS) [KJCX2.YW.W10] ; Natural Science Foundation of China [11075078, 10675062]; Chinese Academy of Sciences (CAS) [KJCX2.YW.W10] ; Natural Science Foundation of China [11075078, 10675062]; Chinese Academy of Sciences (CAS) [KJCX2.YW.W10] ; Natural Science Foundation of China [11075078, 10675062]; Chinese Academy of Sciences (CAS) [KJCX2.YW.W10]
WOS记录号WOS:000343288900030
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被引频次:3[WOS]   [WOS记录]     [WOS相关记录]
文献类型期刊论文
条目标识符http://ir.itp.ac.cn/handle/311006/15594
专题理论物理所SCI论文
通讯作者Meng, XH (reprint author), Nankai Univ, Dept Phys, Tianjin 300071, Peoples R China.
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GB/T 7714
Zhi, HZ,Shi, MJ,Meng, XH,et al. A New Global 1-form in Lyra Geometric Cosmos Model[J]. INTERNATIONAL JOURNAL OF THEORETICAL PHYSICS,2014,53(11):4002-4011.
APA Zhi, HZ,Shi, MJ,Meng, XH,Zhang, LZ,&Meng, XH .(2014).A New Global 1-form in Lyra Geometric Cosmos Model.INTERNATIONAL JOURNAL OF THEORETICAL PHYSICS,53(11),4002-4011.
MLA Zhi, HZ,et al."A New Global 1-form in Lyra Geometric Cosmos Model".INTERNATIONAL JOURNAL OF THEORETICAL PHYSICS 53.11(2014):4002-4011.
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