Journal
PHYSICS LETTERS B
Volume 739, Issue -, Pages 352-356Publisher
ELSEVIER
DOI: 10.1016/j.physletb.2014.11.009
Keywords
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Funding
- Ministry of Education, Science, Sports, and Culture (MEXT), Japan [26104009, 26287039, 24740151, 25105011]
- Japan Society for the Promotion of Science (JSPS) [26287039]
- World Premier International Research Center Initiative (WPI), MEXT, Japan
- Japan Society for the Promotion of Science (JSPS)
- Grants-in-Aid for Scientific Research [25105011, 24740151, 12J06240, 26104009] Funding Source: KAKEN
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We construct a natural inflation model in supergravity where the inflaton is identified with a modulus field possessing a shift symmetry. The superpotential for the inflaton is generated by meson condensation due to strong dynamics with deformed moduli constraints. In contrast to models based on gaugino condensation, the inflaton potential is generated without R-symmetry breaking and hence does not depend on the gravitino mass. Thus, our model is compatible with low scale supersymmetry. (C) 2014 The Authors. Published by Elsevier B.V.
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