ITP OpenIR  > 理论物理所2012年知识产出
Timelike vector field dynamics in the early universe
Koh, S; Hu, B; Koh, S (reprint author), Jeju Natl Univ, Dept Sci Educ, Cheju 690756, South Korea.
2012
发表期刊JOURNAL OF THE KOREAN PHYSICAL SOCIETY
ISSN0374-4884
卷号60期号:11页码:1983-1992
摘要We study the dynamics of a timelike vector field when the background spacetime is in an accelerating phase in the early universe. With a timelike vector field, an inflationary phase is shown to be difficult to realize, so we investigate the evolution of a vector field within a scalar field-driven inflation model. Also, we calculate the power spectrum of the vector field without considering the metric perturbations. While the time component of the vector field perturbations provides a scale invariant spectrum when zeta = 0, where zeta is a nonminimal coupling parameter, both the longitudinal and the transverse perturbations give a scale invariant spectrum when zeta = 1/6 in the absence of the coupling terms. The deviation of the power spectrum due to the coupling terms is calculated by use of the Greens' function.
部门归属[Koh, Seoktae] Jeju Natl Univ, Dept Sci Educ, Cheju 690756, South Korea; [Koh, Seoktae; Hu, Bin] Chinese Acad Sci, Inst Theoret Phys, Beijing 100080, Peoples R China
关键词Microwave Supernovae
学科领域Physics
资助者National Research Foundation of Korea (NRF); Ministry of Education, Science and Technology [2011-0025976]; Chinese Academy of Sciences [KJCX3-SYW-N2]; NSFC [10821504, 10525060] ; National Research Foundation of Korea (NRF); Ministry of Education, Science and Technology [2011-0025976]; Chinese Academy of Sciences [KJCX3-SYW-N2]; NSFC [10821504, 10525060] ; National Research Foundation of Korea (NRF); Ministry of Education, Science and Technology [2011-0025976]; Chinese Academy of Sciences [KJCX3-SYW-N2]; NSFC [10821504, 10525060] ; National Research Foundation of Korea (NRF); Ministry of Education, Science and Technology [2011-0025976]; Chinese Academy of Sciences [KJCX3-SYW-N2]; NSFC [10821504, 10525060]
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收录类别SCI
语种英语
资助者National Research Foundation of Korea (NRF); Ministry of Education, Science and Technology [2011-0025976]; Chinese Academy of Sciences [KJCX3-SYW-N2]; NSFC [10821504, 10525060] ; National Research Foundation of Korea (NRF); Ministry of Education, Science and Technology [2011-0025976]; Chinese Academy of Sciences [KJCX3-SYW-N2]; NSFC [10821504, 10525060] ; National Research Foundation of Korea (NRF); Ministry of Education, Science and Technology [2011-0025976]; Chinese Academy of Sciences [KJCX3-SYW-N2]; NSFC [10821504, 10525060] ; National Research Foundation of Korea (NRF); Ministry of Education, Science and Technology [2011-0025976]; Chinese Academy of Sciences [KJCX3-SYW-N2]; NSFC [10821504, 10525060]
WOS记录号WOS:000305223000029
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被引频次:2[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/311006/15089
专题理论物理所2012年知识产出
通讯作者Koh, S (reprint author), Jeju Natl Univ, Dept Sci Educ, Cheju 690756, South Korea.
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GB/T 7714
Koh, S,Hu, B,Koh, S . Timelike vector field dynamics in the early universe[J]. JOURNAL OF THE KOREAN PHYSICAL SOCIETY,2012,60(11):1983-1992.
APA Koh, S,Hu, B,&Koh, S .(2012).Timelike vector field dynamics in the early universe.JOURNAL OF THE KOREAN PHYSICAL SOCIETY,60(11),1983-1992.
MLA Koh, S,et al."Timelike vector field dynamics in the early universe".JOURNAL OF THE KOREAN PHYSICAL SOCIETY 60.11(2012):1983-1992.
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