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arXiv · hep-th/9607054

Comments on D-Brane and $SO(2N)$ Enhanced Symmetry in Type II String

H. B. Gao
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Abstract

We propose a configuration of D-branes welded by analogous orbifold operation to be responsible for the enhancement of $SO(2N)$ gauge symmetry in type II string compactified on the $D_n$-type singular limit of K3. Evidences are discussed from the $D_n$-type ALE and D-manifold point of view. A subtlety regarding the ability of seeing the enhanced $SO(2N)$ gauge symmetry perturbatively is briefly addressed.

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H. B. Gao. 1996-07-07. Comments on D-Brane and $SO(2N)$ Enhanced Symmetry in Type II String. https://doi.org/10.1016/s0370-2693(96)01519-5

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