Asymmetric Gepner Models II. Heterotic Weight Lifting

Abstract

A systematic study of "lifted" Gepner models is presented. Lifted Gepner models are obtained from standard Gepner models by replacing one of the N=2 building blocks and the $E_8$ factor by a modular isomorphic $N=0$ model on the bosonic side of the heterotic string. The main result is that after this change three family models occur abundantly, in sharp contrast to ordinary Gepner models. In particular, more than 250 new and unrelated moduli spaces of three family models are identified. We discuss the occurrence of fractionally charged particles in these spectra.

46 pages, 17 figures

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• Asymmetric Gepner Models III. B-L Lifting
• The Asymmetric CFT Landscape in D=4,6,8 with Extended Supersymmetry
• Jumping Spectra and Vanishing Couplings in Heterotic Line Bundle Standard Models
• Partial SUSY Breaking for Asymmetric Gepner Models and Non-geometric Flux Vacua
• GUTs without guts
• Permutation Orbifold of N=2 Supersymmetric Minimal Models
• Heterotic String Models on Smooth Calabi-Yau Threefolds
• Initial Systematic Investigations of the Landscape of Low Layer NAHE Extensions
• Vacuum Varieties, Holomorphic Bundles and Complex Structure Stabilization in Heterotic Theories
• Asymmetric CFTs and GSUGRA