Abstract
We consider compactifications of heterotic supergravity on anti-de Sitter space, with a six-dimensional nearly Kähler manifold as the internal space. Completing the model proposed by Frey and Lippert [10] with the particular choice of SU(3)/U(1) × U(1) for the internal manifold, we show that it satisfies not only the supersymmetry constraints but also the equations of motion with string corrections of order α′. Furthermore, we present a nonsupersymmetric model. In both solutions we find confirmed a recent result of Ivanov [18] on the connection used for anomaly cancellation. Interestingly, the volume of the internal space is fixed by the supersymmetry constraints and/or the equations of motion.
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ArXiv ePrint: 1007.0236
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Lechtenfeld, O., Nölle, C. & Popov, A.D. Heterotic compactifications on nearly Kähler manifolds. J. High Energ. Phys. 2010, 74 (2010). https://doi.org/10.1007/JHEP09(2010)074
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DOI: https://doi.org/10.1007/JHEP09(2010)074