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Coupling Selection Rules in Heterotic Calabi-Yau Compactifications

3 Pith papers cite this work. Polarity classification is still indexing.

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abstract

We study coupling selection rules of chiral matter fields in heterotic string theory with standard embedding. These selection rules are determined by topological properties of Calabi-Yau threefolds. We classify coupling selection rules on complete intersection Calabi-Yau threefolds for $h^{1,1}\leq 5$. It is found that all of these selection rules for $h^{1,1}\leq 5$ are understood by combinations of only five types of fusion rules.

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2026 2 2025 1

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representative citing papers

Conformal Bootstrap with Duality-Inspired Fusion Rule

hep-th · 2025-11-01 · conditional · novelty 6.0

Imposing a duality-inspired fusion rule that forbids the [ε] sector from appearing in the [ε] × [ε] OPE yields numerical bounds on (Δ_σ, Δ_ε) that include the 2d Ising model but exclude the 3d Ising model.

Dynamical CP Violation from Non-Invertible Selection Rules

hep-ph · 2026-04-06 · unverdicted · novelty 5.0

Dynamical generation of leptonic CP violation and light sterile neutrino masses via radiative breaking of non-invertible selection rules, illustrated in the Inverse Seesaw model.

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