期刊
PHYSICAL REVIEW D
卷 86, 期 6, 页码 -出版社
AMER PHYSICAL SOC
DOI: 10.1103/PhysRevD.86.063507
关键词
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资金
- ATLAS-CERN International Cooperation [MSM6840770029]
- National Research Foundation of Korea [2012-007575]
- DOE [DE-FG02-10ER41714]
We propose a cosmological inflationary scenario based on the supergravity-embedded Standard Model supplemented by the right-handed neutrinos. We show that with an appropriate Kahler potential the L-H-u direction gives rise to successful inflation that is similar to the recently proposed gravitationally coupled Higgs inflation model but is free from the unitarity problem. The mass scale M-R of the right-handed neutrinos is subject to the seesaw relation and the present 2-sigma constraint from the WMAP7 - BAO - H-0 data sets its lower bound M-R greater than or similar to 1 TeV. Generation of the baryon asymmetry is naturally implemented in this model. We expect that within a few years new observational data from the Planck satellite will clearly discriminate this model from other existing inflationary models arising from the same Lagrangian, and possibly yield stringent constraints on M-R.
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