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Published November 17, 1989 | public
Journal Article

The Search for a Realistic Superstring Vacuum


Recent progress in understanding heterotic string compactification utilizes abstract algebraic methods. In particular, Gepner has given a prescription for constructing exactly soluble Calabi-Yau compactifications by using N = 2 minimal models. A large class of new N = 2 models, discovered by Kazama & Suzuki, can also be used. Recent progress in understanding N = 2 models and Calabi-Yau spaces by using mathematical techniques of singularity theory improves the prospects of a complete classification. A key question is whether a classical solution can give a reasonable first approximation to the exact quantum ground state even though string theory is strongly coupled and the perturbation expansion diverges.

Additional Information

© 1989 Royal Society. I am grateful to L. Dixon, D. Gepner, W. Lerche, E. Raiten and G. Rivlis for helpful discussions. This work was supported in part by the U.S. Department of Energy under Contract no. DE-AC0381-ER40050.

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August 19, 2023
October 18, 2023