2007

Supersymmetric Tuned Inflation

Izawa, K. -I., Shinbara, Y.

Understand

We address an issue what kind of tuning realizes a flat potential for inflaton in supergravity.

We restrict ourselves to the case that inflationary dynamics is not affected by separate supersymmetry-breaking effects, and consider examples of a single chiral superfield as an inflaton with its vacuum of the vanishing cosmological constant.
The examples potentially include the cases of Polonyi field or right-handed sneutrino as an inflaton.

For reviews, D.H. Lyth and A. Riotto, arXiv:hep-ph/9807278; L. Alabidi and D.H. Lyth, arXiv:astro-ph/0510441; arXiv:astro-ph/0603539
Cited in the paper.
M. Ibe, Izawa K.-I., and T. Yanagida, arXiv:hep-ph/0409203
Cited in the paper.
R. Allahverdi, K. Enqvist, J. Garcia-Bellido, and A. Mazumdar, hep-ph/0605035; For a review, A. Mazumdar, arXiv:0707.3350v1 [hep-ph]
Original
Cited in the paper.
Izawa K.-I., arXiv:hep-ph/0702127
Cited in the paper.
H. Murayama, H. Suzuki, T. Yanagida, and J. Yokoyama, arXiv:hep-ph/9311326
Cited in the paper.
Izawa K.-I., arXiv:hep-ph/9708315
Cited in the paper.
See S. Dimopoulos and S. Thomas, arXiv:hep-th/0307004
Cited in the paper.
Izawa K.-I., M. Kawasaki, and T. Yanagida, arXiv:hep-ph/9707201
Cited in the paper.
A. Hebecker, arXiv:hep-th/0407196
Cited in the paper.
Izawa K.-I., arXiv:hep-ph/9710479
Original
Cited in the paper.

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