Zero-mode wave functions by localized gauge fluxes
Abstract
We study chiral zero-mode wave functions on blow-up manifolds of T2/ZN orbifolds with both bulk and localized magnetic flux backgrounds. We introduce a singular gauge transformation in order to remove ZN phases for ZN twisted boundary condition of matter fields. We compute wave functions of not only bulk zero modes but also localized modes at the orbifold singular points, which correspond to new zero modes induced by localized flux. By studying their Yukawa couplings, it turns out that only three patterns of Yukawa couplings are allowed. Our theory has a specific coupling selection rule.
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