Abstract
In this paper we search for accelerating power-law solutions and ekpyrotic solutions within minimal and maximal four dimensional supergravity theories. We focus on the STU model for \( \mathcal{N} \) = 1 and on the new CSO(p, q, r) theories, which were recently obtained exploiting electromagnetic duality, for \( \mathcal{N} \) = 8. In the minimal case we find some new ekpyrotic solutions, while in the maximal case we find some new generic power-law solutions. We do not find any new accelerating solutions for these models.
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ArXiv ePrint: 1303.3258
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Blåbäck, J., Borghese, A. & Haque, S.S. Power-law cosmologies in minimal and maximal gauged supergravity. J. High Energ. Phys. 2013, 107 (2013). https://doi.org/10.1007/JHEP06(2013)107
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DOI: https://doi.org/10.1007/JHEP06(2013)107