Revisiting oscillon formation in KKLT scenario
High Energy Physics - Phenomenology
2020-09-02 v1
Abstract
KKLT scenario has succeeded in stabilizing the volume modulus and constructing metastable de Sitter (dS) vacua in type IIB string theory. We revisit to investigate the possibility of the oscillon (or I-ball) formation in the KKLT scenario when the volume modulus is initially displaced from the dS minimum. Special attention is paid to physically realistic initial conditions of the volume modulus, which was not taken in the literature. Using lattice simulations, we find that oscillons do not form unless the volume modulus is initially placed at very near the local maximum, which requires severe fine-tuning.
Cite
@article{arxiv.2001.02582,
title = {Revisiting oscillon formation in KKLT scenario},
author = {Shinta Kasuya and Masahiro Kawasaki and Francis Otani and Eisuke Sonomoto},
journal= {arXiv preprint arXiv:2001.02582},
year = {2020}
}
Comments
8pages, 11 figures