On the prevalence of elliptic and genus one fibrations among toric hypersurface Calabi-Yau threefolds
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Author(s)
Huang, Yu-Chien
Taylor IV, Washington
Date Issued
March 2019
Journal
Journal of High Energy Physics
Publisher
Springer
Citation
Huang, Yu-Chien and Washington Taylor IV. "On the prevalence of elliptic and genus one fibrations among toric hypersurface Calabi-Yau threefolds." Journal of High Energy Physics (March 2019) 14. https://doi.org/10.1007/JHEP03(2019)014 © 2019 The Author(s)
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Abstract
We systematically analyze the fibration structure of toric hypersurface Calabi-Yau threefolds with large and small Hodge numbers. We show that there are only four such Calabi-Yau threefolds with h1,1 ≥ 140 or h2,1 ≥ 140 that do not have manifest elliptic or genus one fibers arising from a fibration of the associated 4D polytope. There is a genus one fibration whenever either Hodge number is 150 or greater, and an elliptic fibration when either Hodge number is 228 or greater. We find that for small h1,1 the fraction of polytopes in the KS database that do not have a genus one or elliptic fibration drops exponentially as h1,1 increases. We also consider the different toric fiber types that arise in the polytopes of elliptic Calabi-Yau threefolds.
MIT Department
Massachusetts Institute of Technology. Center for Theoretical Physics
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DOI of Published Version
https://doi.org/10.1007/JHEP03(2019)014
