T 3-invariant heterotic Hull-Strominger solutions

Abstract

We consider the heterotic string on Calabi-Yau manifolds admitting a Strominger-Yau-Zaslow fibration. Upon reducing the system in the T3-directions, the Hermitian Yang-Mills conditions can then be reinterpreted as a complex flat connection on ℝ3 satisfying a certain co-closure condition. We give a number of abelian and non-abelian examples, and also compute the back-reaction on the geometry through the non-trivial α′-corrected heterotic Bianchi identity, which includes an important correction to the equations for the complex flat connection. These are all new local solutions to the Hull-Strominger system on T3 ×3. We also propose a method for computing the spectrum of certain non-abelian models, in close analogy with the Morse-Witten complex of the abelian models.

A preprint version of the article is available at ArXiv.

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Correspondence to Eirik Eik Svanes.

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Acharya, B.S., Kinsella, A. & Svanes, E.E. T 3-invariant heterotic Hull-Strominger solutions. J. High Energ. Phys. 2021, 197 (2021). https://doi.org/10.1007/JHEP01(2021)197

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Keywords

  • Superstring Vacua
  • Superstrings and Heterotic Strings
  • Flux compactifications
  • Solitons Monopoles and Instantons