Supersymmetric hybrid inflation with non-minimal Kähler potential
Bastero-Gil, M., King, S.F. and Shafi, Q. (2007) Supersymmetric hybrid inflation with non-minimal Kähler potential. Physics Letters B, 651, (5-6), 345-351. (doi:10.1016/j.physletb.2006.06.085).
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Description/Abstract
Minimal supersymmetric hybrid inflation based on a minimal Kähler potential predicts a spectral index ns0.98. On the other hand, WMAP three year data prefers a central value ns≈0.95. We propose a class of supersymmetric hybrid inflation models based on the same minimal superpotential but with a non-minimal Kähler potential. Including radiative corrections using the one-loop effective potential, we show that the prediction for the spectral index is sensitive to the small non-minimal corrections, and can lead to a significantly red-tilted spectrum, in agreement with WMAP.
| Item Type: | Article |
|---|---|
| ISSNs: | 0370-2693 (print) |
| Related URLs: | |
| Subjects: | Q Science > QC Physics |
| Divisions: | University Structure - Pre August 2011 > School of Physics and Astronomy |
| Item ID: | 57041 |
| Date Deposited: | 13 Aug 2008 |
| Last Modified: | 02 Mar 2012 12:51 |
| Contributors: | Bastero-Gil, M. (Author) King, S.F. (Author) Shafi, Q. (Author) |
| Date: | 9 August 2007 |
| Status: | Published |
| URI: | http://eprints.soton.ac.uk/id/eprint/57041 |
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