PoS - Proceedings of Science
Volume 376 - Corfu Summer Institute 2019 "School and Workshops on Elementary Particle Physics and Gravity" (CORFU2019) - Conference on Recent Developments in Strings and Gravity
Consistent truncation on Calabi-Yau and Nearly-Kähler manifolds
D. Tsimpis
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Published on: August 18, 2020
Abstract
We complete and extend the analysis of arXiv:1903.10504 in several directions: we put the 4d
theory, arising from the IIA consistent truncation of the universal sector of Calabi-Yau compactification, in a form manifestly consistent with 4d N = 2 supergravity. We go beyond the universal sector and construct the 4d effective action of IIA compactified on Calabi-Yau’s with h11 = 1, h21>=1, in the presence of background flux and fermionic condensates. For ALE gravitational instantons, we show that the putative quartic gravitino condensate is non-negative, as required for the existence of (formal) de Sitter solutions of the 4d theory. We discuss some of the issues in promoting these formal solutions to full-fledged string theory de Sitter solutions. We also extend the Nearly-Kähler consistent truncation of arXiv:1810.06344 to the complete bosonic sector of one vector multiplet and one hypermultiplet.
DOI: https://doi.org/10.22323/1.376.0122
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