Chains of N=2, D=4 heterotic/type II duals

Details Chains of N=2, D=4 heterotic/type II duals Chains of N=2, D=4 heterotic/type II duals

1995-10-14

arxiv.org/abs/hep-th/9510093v1

Nucl.Phys. B461 (1996) 85-100

Physics

High Energy Physics

High Energy Physics - Theory

Latex, 21 pages, 2 tables

Scientific paper

10.1016/0550-3213(95)00654-0

We report on a search for $N=2$ heterotic strings that are dual candidates of type II compactifications on Calabi-Yau threefolds described as $K3$ fibrations. We find many new heterotic duals by using standard orbifold techniques. The associated type II compactifications fall into chains in which the proposed duals are heterotic compactifications related one another by a sequential Higgs mechanism. This breaking in the heterotic side typically involves the sequence $SU(4)\rightarrow SU(3)\rightarrow $ $SU(2)\rightarrow 0$, while in the type II side the weights of the complex hypersurfaces and the structure of the $K3$ quotient singularities also follow specific patterns.

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