Physics – High Energy Physics – High Energy Physics - Theory
Scientific paper
1995-10-31
Phys.Lett. B369 (1996) 233-242
Physics
High Energy Physics
High Energy Physics - Theory
LateX, 16 pages, 1 figure, minor corrections, reference added
Scientific paper
10.1016/0370-2693(95)01541-8
We consider the general case of N=2 dual pairs of type IIA/heterotic string theories in four dimensions. We show that if the type IIA string in this pair can be viewed as having been compactified on a Calabi-Yau manifold in the usual way then this manifold must be of the form of a K3 fibration. We also see how the bound on the rank of the gauge group of the perturbative heterotic string has a natural interpretation on the type IIA side.
Aspinwall Paul S.
Louis Jan
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