期刊
PHYSICAL REVIEW LETTERS
卷 112, 期 24, 页码 -出版社
AMER PHYSICAL SOC
DOI: 10.1103/PhysRevLett.112.241301
关键词
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资金
- Japan Society for the Promotion of Science (JSPS) [25.1107]
- Basic Science Research Program through the National Research Foundation of Korea - Ministry of Education, Science and Technology [2011-0010294, 2011-0029758, NRF-2013R1A1A2064120]
- [23104009]
- [20244028]
- [23740192]
- Grants-in-Aid for Scientific Research [23740192, 13J01107, 22540277] Funding Source: KAKEN
- National Research Foundation of Korea [2011-0029758, 2011-0010294, 2013R1A1A2064120] Funding Source: Korea Institute of Science & Technology Information (KISTI), National Science & Technology Information Service (NTIS)
The observed value of the Higgs boson mass indicates that the Higgs potential becomes small and flat at the scale around 10(17) GeV. Having this fact in mind, we reconsider the Higgs inflation scenario proposed by Bezrukov and Shaposhnikov. It turns out that the nonminimal coupling xi of the Higgs squared to the Ricci scalar can be smaller than 10. For example xi = 7 corresponds to the tensor-to-scalar ratio r similar or equal to 0.2, which is consistent with the recent observation by BICEP2.
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