Precision string phenomenology

Calabi-Yau compactifications of the <a:math xmlns:a="http://www.w3.org/1998/Math/MathML" display="inline"><a:msub><a:mi>E</a:mi><a:mn>8</a:mn></a:msub><a:mo>×</a:mo><a:msub><a:mi>E</a:mi><a:mn>8</a:mn></a:msub></a:math> heterotic string provide a promising route to recovering the four-dimensional particle physics described by the Standard Model. While the topology of the Calabi-Yau space determines the overall matter content in the low-energy effective field theory, further details of the compactification geometry are needed to calculate the normalized physical couplings and masses of elementary particles. In this work, we present numerical computations of physical Yukawa couplings in a number of heterotic models in the standard embedding and demonstrate the existence of natural hierarchies, a coveted feature in string model building.

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Publication Details

Journal
Physical review. D/Physical review. D.
Published
2025-04-02
DOI
https://doi.org/10.1103/physrevd.111.086007
Citations
4
Primary Topic
Black Holes and Theoretical Physics
Type
article
Field-Weighted Citation Impact
7.48

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article

Precision string phenomenology

Vishnu Jejjala, Damián Kaloni Mayorga Peña, Tristan Hübsch, Giorgi Butbaia et al.
4 citations
Physical review. D/Physical review. D.
Black Holes and Theoretical Physics
7.48
article

Precision string phenomenology

Vishnu Jejjala, Damián Kaloni Mayorga Peña, Tristan Hübsch, Giorgi Butbaia, Challenger Mishra, Per Berglund, J. A. Tan
article en
4 citations

Abstract

Calabi-Yau compactifications of the <a:math xmlns:a="http://www.w3.org/1998/Math/MathML" display="inline"><a:msub><a:mi>E</a:mi><a:mn>8</a:mn></a:msub><a:mo>×</a:mo><a:msub><a:mi>E</a:mi><a:mn>8</a:mn></a:msub></a:math> heterotic string provide a promising route to recovering the four-dimensional particle physics described by the Standard Model. While the topology of the Calabi-Yau space determines the overall matter content in the low-energy effective field theory, further details of the compactification geometry are needed to calculate the normalized physical couplings and masses of elementary particles. In this work, we present numerical computations of physical Yukawa couplings in a number of heterotic models in the standard embedding and demonstrate the existence of natural hierarchies, a coveted feature in string model building.

Physical review. D/Physical review. D.Vol. 111(8)
Howard University (US), University of Lisbon (PT), University of New Hampshire at Manchester (US), University of the Witwatersrand (ZA), Universidade Politécnica de Lisboa (PT), University of Cambridge (GB)
U.S. Department of Energy, Department of Science and Innovation, South Africa, National Research Foundation, Engineering and Physical Sciences Research Council, Fundação para a Ciência e a Tecnologia, Instituto Superior Técnico, Division of Mathematical Sciences
Openalex Percentile: Top 4%
Black Holes and Theoretical Physics
7.48
DOIOpen Access PDFOpenAlex
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Precision string phenomenology — Vishnu Jejjala, Damián Kaloni Mayorga Peña, et al. · Physical review. D/Physical review. D. (2025) | TGRS Research Map | TGRS