Note on arithmetic structure of modulus vacua in flux compactifications
Yukiya Furuta, Tatsuo Kobayashi, Tomoyasu Kori, Shuhei Miyamoto, Ryusei Nishida, Hajime Otsuka
Abstract
We study modulus stabilization by background fluxes. The supersymmetric minima satisfy a holomorphic quadratic equation. As concrete examples, we consider T6/(Z2×Z2') orientifold model and a simple Calabi-Yau compactification. The modulus values show specific patterns. For example, they show the Farey sequence. The void structure appears around modulus vacua with high degeneracies. We find a correlation between the degeneracy and the void area. The modulus vacua are related by discrete Abelian symmetries generated by the Gauss composition law, which includes the CP symmetry. Spontaneous CP violation is also discussed.
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