Assessing a candidate IIA dual to metastable supersymmetry-breaking

Details Assessing a candidate IIA dual to metastable supersymmetry-breaking Assessing a candidate IIA dual to metastable supersymmetry-breaking

2011-08-08

arxiv.org/abs/1108.1789v2

JHEP02(2012)019

Physics

High Energy Physics

High Energy Physics - Theory

33 pages. v2: reference added, clarifications in the introduction

Scientific paper

We analyze the space of linearized non-supersymmetric deformations around a IIA solution found by Cvetic, Gibbons, Lu and Pope (CGLP) in hep-th/0101096. We impose boundary conditions aimed at singling out among those perturbations those describing the backreaction of anti-D2 branes on the CGLP background. The corresponding supergravity solution is a would-be dual to a metastable supersymmetry-breaking state. However, it turns out that this candidate bulk solution is inevitably riddled with IR divergences of its flux densities and action, whose physical meaning and implications for models of string cosmology call for further investigation.

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