ITP OpenIR  > 理论物理所2013年知识产出
Confronting brane inflation with Planck and pre-Planck data
Ma, YZ; Huang, QG; Zhang, X; Ma, YZ (reprint author), Univ British Columbia, Dept Phys & Astron, Vancouver, BC V6T 1Z1, Canada.
2013
发表期刊PHYSICAL REVIEW D
ISSN1550-7998
卷号87期号:10页码:103516
摘要In this paper, we compare brane inflation models with the Planck data and the pre-Planck data (which combines WAMP, ACT, SPT, BAO and H-0 data). The Planck data prefer a spectral index less than unity at more than 5 sigma confidence level, and a running of the spectral index at around 2 sigma confidence level. We find that the KKLMMT model can survive at the level of 2 sigma only if the parameter beta (the conformal coupling between the Hubble parameter and the inflaton) is less than O(10(-3)), which indicates a certain level of fine-tuning. The IR DBI model can provide a slightly larger negative running of spectral index and red tilt, but in order to be consistent with the non-Gaussianity constraints from Planck, its parameter also needs fine-tuning at some level.
部门归属[Ma, Yin-Zhe] Univ British Columbia, Dept Phys & Astron, Vancouver, BC V6T 1Z1, Canada; [Ma, Yin-Zhe] Canadian Inst Theoret Astrophys, Toronto M5S 3H8, ON, Canada; [Huang, Qing-Guo] Chinese Acad Sci, Inst Theoret Phys, State Key Lab Theoret Phys, Beijing 100190, Peoples R China; [Zhang, Xin] Northeastern Univ, Coll Sci, Shenyang 110004, Peoples R China; [Zhang, Xin] Peking Univ, Ctr High Energy Phys, Beijing 100080, Peoples R China
关键词Flatness Universe Horizon
学科领域Physics
资助者CITA National Fellowship; Natural Science and Engineering Research Council of Canada; Knowledge Innovation Program of the Chinese Academy of Science; National Natural Science Foundation of China [10821504, 10705041, 10975032, 11175042]; National Ministry of Education of China [NCET-09-0276, N100505001, N120505003] ; CITA National Fellowship; Natural Science and Engineering Research Council of Canada; Knowledge Innovation Program of the Chinese Academy of Science; National Natural Science Foundation of China [10821504, 10705041, 10975032, 11175042]; National Ministry of Education of China [NCET-09-0276, N100505001, N120505003] ; CITA National Fellowship; Natural Science and Engineering Research Council of Canada; Knowledge Innovation Program of the Chinese Academy of Science; National Natural Science Foundation of China [10821504, 10705041, 10975032, 11175042]; National Ministry of Education of China [NCET-09-0276, N100505001, N120505003] ; CITA National Fellowship; Natural Science and Engineering Research Council of Canada; Knowledge Innovation Program of the Chinese Academy of Science; National Natural Science Foundation of China [10821504, 10705041, 10975032, 11175042]; National Ministry of Education of China [NCET-09-0276, N100505001, N120505003]
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收录类别SCI
语种英语
资助者CITA National Fellowship; Natural Science and Engineering Research Council of Canada; Knowledge Innovation Program of the Chinese Academy of Science; National Natural Science Foundation of China [10821504, 10705041, 10975032, 11175042]; National Ministry of Education of China [NCET-09-0276, N100505001, N120505003] ; CITA National Fellowship; Natural Science and Engineering Research Council of Canada; Knowledge Innovation Program of the Chinese Academy of Science; National Natural Science Foundation of China [10821504, 10705041, 10975032, 11175042]; National Ministry of Education of China [NCET-09-0276, N100505001, N120505003] ; CITA National Fellowship; Natural Science and Engineering Research Council of Canada; Knowledge Innovation Program of the Chinese Academy of Science; National Natural Science Foundation of China [10821504, 10705041, 10975032, 11175042]; National Ministry of Education of China [NCET-09-0276, N100505001, N120505003] ; CITA National Fellowship; Natural Science and Engineering Research Council of Canada; Knowledge Innovation Program of the Chinese Academy of Science; National Natural Science Foundation of China [10821504, 10705041, 10975032, 11175042]; National Ministry of Education of China [NCET-09-0276, N100505001, N120505003]
WOS记录号WOS:000319254500003
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被引频次:12[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/311006/15360
专题理论物理所2013年知识产出
通讯作者Ma, YZ (reprint author), Univ British Columbia, Dept Phys & Astron, Vancouver, BC V6T 1Z1, Canada.
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Ma, YZ,Huang, QG,Zhang, X,et al. Confronting brane inflation with Planck and pre-Planck data[J]. PHYSICAL REVIEW D,2013,87(10):103516.
APA Ma, YZ,Huang, QG,Zhang, X,&Ma, YZ .(2013).Confronting brane inflation with Planck and pre-Planck data.PHYSICAL REVIEW D,87(10),103516.
MLA Ma, YZ,et al."Confronting brane inflation with Planck and pre-Planck data".PHYSICAL REVIEW D 87.10(2013):103516.
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