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arXiv · hep-th/9512078

Instantons on D-branes

Cumrun Vafa
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Abstract

We consider type IIA compactification on $K3$. We show that the instanton subsectors of the worldvolume of $N$ 4-branes wrapped around $K3$ lead to a Hagedorn density of BPS states in accord with heterotic-type IIA duality in 6 dimensions. We also find evidence that the correct framework to understand the results of Nakajima on the appearance of affine Kac-Moody algebras on the cohomology of moduli space of instantons on ALE spaces is in the context of heterotic-type IIA string duality.

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Cumrun Vafa. 1995-12-11. Instantons on D-branes. https://doi.org/10.1016/0550-3213(96)00075-2

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