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  Non-Geometric Vacua of the Spin(32)/ Z_2 Heterotic String and Little String Theories

Font, A., & Mayrhofer, C. (2017). Non-Geometric Vacua of the Spin(32)/ Z_2 Heterotic String and Little String Theories. Journal of high energy physics: JHEP, 2017(11): 064. doi:10.1007/JHEP11(2017)064.

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Item Permalink: http://hdl.handle.net/21.11116/0000-0000-64EA-8 Version Permalink: http://hdl.handle.net/21.11116/0000-0002-EBB3-B
Genre: Journal Article

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 Creators:
Font, Anamaría1, Author
Mayrhofer, Christoph, Author
Affiliations:
1AEI-Golm, MPI for Gravitational Physics, Max Planck Society, Golm, DE, ou_24008              

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Free keywords: High Energy Physics - Theory, hep-th
 Abstract: We study a class of 6d $\mathcal{N}=(1,0)$ non-geometric vacua of the $\text{Spin}(32)/\mathbb Z_2$ heterotic string which can be understood as fibrations of genus-two curves over a complex one-dimensional base. The 6d $\mathcal{N}=(1,0)$ theories living on the defects that arise when the genus-two fiber degenerates at a point of the base are analyzed by dualizing to F-theory on elliptic K3-fibered non-compact Calabi-Yau threefolds. We consider all possible degenerations of genus-two curves and systematically attempt to resolve the singularities of the dual threefolds. As in the analogous non-geometric vacua of the $E_8\times E_8$ heterotic string, we find that many of the resulting dual threefolds contain singularities which do not admit a crepant resolution. When the singularities can be resolved crepantly, we determine the emerging effective theories which turn out to be little string theories at a generic point on their tensor branch. We also observe a form of duality in which theories living on distinct defects are the same.

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 Dates: 2017-08-172017
 Publication Status: Published in print
 Pages: 39 pages, 3 figures, and 6 tables
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 Table of Contents: -
 Rev. Method: -
 Identifiers: arXiv: 1708.05428
DOI: 10.1007/JHEP11(2017)064
URI: http://arxiv.org/abs/1708.05428
 Degree: -

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Title: Journal of high energy physics : JHEP
Source Genre: Journal
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Publ. Info: Bologna, Italy : Società italiana di fisica
Pages: - Volume / Issue: 2017 (11) Sequence Number: 064 Start / End Page: - Identifier: ISSN: 1126-6708
CoNE: https://pure.mpg.de/cone/journals/resource/111021927548002