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arXiv · 1112.5106

6D Effective Action of Heterotic Compactification on K3 with nontrivial Gauge Bundles

Jan Louis·Martin Schasny·Roberto Valandro
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Abstract

We compute the six-dimensional effective action of the heterotic string compactified on K3 for the standard embedding and for a class of backgrounds with line bundles and appropriate Yang-Mills fluxes. We compute the couplings of the charged scalars and the bundle moduli as functions of the geometrical K3 moduli from a Kaluza-Klein analysis. We derive the D-term potential and show that in the flux backgrounds U(1) vector multiplets become massive by a Stuckelberg mechanism.

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Jan Louis, Martin Schasny, Roberto Valandro. 2012-01-27. 6D Effective Action of Heterotic Compactification on K3 with nontrivial Gauge Bundles. https://doi.org/10.1007/jhep04(2012)028

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