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Published March 18, 1996 | Submitted
Journal Article Open

Two-dimensional black hole and singularities of CY manifolds

Abstract

We study the degenerating limits of superconformal theories for compactifications on singular K3 and Calabi-Yau threefolds. We find that in both cases the degeneration involves creating an Euclidean two-dimensional black hole coupled weakly to the rest of the system. Moreover we find that the conformal theory of A_n singularities of K3 are the same as that of the symmetric fivebrane. We also find intriguing connections between ADE (1, n) non-critical strings and singular limits of superconformal theories on the corresponding ALE space.

Additional Information

© 1996 Elsevier. Received 23 November 1995, Accepted 4 January 1996. We would like to thank S. Shenker, who participated in an earlier stage of this project, for discussions. We also thank the Aspen Center for Physics, where this project was initiated. The work of HO was supported in part by the National Science Foundation under grant PHY-9501018 and in part by the Director, Office of Energy Research, Office of High Energy and Nuclear Physics, Division of High Energy Physics of the U.S. Department of Energy under Contract DE-AC03-76SF00098. The research of CV was supported in part by NSF grant PHY-92-18167.

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