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Advances in High Energy Physics
Volume 2016, Article ID 4303752, 17 pages
Review Article

Aspects of Moduli Stabilization in Type IIB String Theory

Center for Fundamental Physics, Zewail City of Science and Technology, Giza 12588, Egypt

Received 1 October 2015; Revised 28 December 2015; Accepted 30 December 2015

Academic Editor: Elias C. Vagenas

Copyright © 2016 Shaaban Khalil et al. This is an open access article distributed under the Creative Commons Attribution License, which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited. The publication of this article was funded by SCOAP3.


We review moduli stabilization in type IIB string theory compactification with fluxes. We focus on KKLT and Large Volume Scenario (LVS). We show that the predicted soft SUSY breaking terms in KKLT model are not phenomenological viable. In LVS, the following result for scalar mass, gaugino mass, and trilinear term is obtained: , which may account for Higgs mass limit if  TeV. However, in this case, the relic abundance of the lightest neutralino cannot be consistent with the measured limits. We also study the cosmological consequences of moduli stabilization in both models. In particular, the associated inflation models such as racetrack inflation and Kähler inflation are analyzed. Finally, the problem of moduli destabilization and the effect of string moduli backreaction on the inflation models are discussed.