Journal
PHYSICS LETTERS B
Volume 776, Issue -, Pages 227-230Publisher
ELSEVIER
DOI: 10.1016/j.physletb.2017.11.052
Keywords
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Funding
- WPI Research Center Initiative (MEXT, Japan)
- National Science Foundation [PHY-1521446]
- MEXT KAKENHI [15H05895]
- Department of Energy (DOE), Office of Science, Office of High Energy Physics [DE-AC02-05CH11231]
- JSPS KAKENHI [15K17634]
- JSPS-NRF Joint Research Project
- Grants-in-Aid for Scientific Research [15K17634] Funding Source: KAKEN
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We point out that a simple inflationary model in which the axionic inflaton couples to a pure Yang-Mills theory may give the scalar spectral index (n(s)) and tensor-to-scalar ratio (r) in complete agreement with the current observational data. (C) 2017 The Author(s). Published by Elsevier B.V.
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