Abstract
We show that the formal α ′ expansion for heterotic flux vacua is only sensible when flux quantization and the appearance of string scale cycles in the geometry are carefully taken into account. We summarize a number of properties of solutions with N=1 and N=2 space-time supersymmetry.
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Melnikov, I.V., Minasian, R. & Sethi, S. Heterotic fluxes and supersymmetry. J. High Energ. Phys. 2014, 174 (2014). https://doi.org/10.1007/JHEP06(2014)174
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DOI: https://doi.org/10.1007/JHEP06(2014)174