Titlebook: Chiral Four-Dimensional Heterotic String Vacua from Covariant Lattices; Florian Beye Book 2017 Springer Science+Business Media Singapore 2

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Model Building, .. We observed that only 19 right-mover lattices lead to models with . spacetime supersymmetry, and that some of them arise in certain . orbifold compactifications. In this chapter, we discuss explicit models belonging to two of these 19 classes of covariant lattice models, one class corresponding

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Summary, Also, it was found that once a right-mover lattice is fixed, modular invariance requires that the set of possible left-mover lattices forms a genus. The result is that there are in?total 99 right-mover lattices which may lead to chiral models, and only 19 of them lead to . spacetime supersymmetry.

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2190-5053 ht is shed on the relation between covariant lattice models and asymmetric orbifold compactifications, the result being a concrete correspondence between certain types of asymmetric orbifolds and those classified covariant lattices..978-981-10-9255-8978-981-10-0804-7Series ISSN 2190-5053 Series E-ISSN 2190-5061

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Jeff Z. Pan,Diego Calvanese,Yuting ZhaoWe also considered some generic phenomenological properties of these models, such as discrete flavor and R-symmetries, and also gave spectra of three-generation models. Finally, we studied how the equivalence between certain covariant lattice and twist-orbifold models fits into our picture, and foun

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Chiral Four-Dimensional Heterotic String Vacua from Covariant Lattices

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Summary,We also considered some generic phenomenological properties of these models, such as discrete flavor and R-symmetries, and also gave spectra of three-generation models. Finally, we studied how the equivalence between certain covariant lattice and twist-orbifold models fits into our picture, and foun

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