Abstract
The Gepner model (2)4 describes the sigma model of the Fermat quartic K3 surface. Moving through the nearby moduli space using conformal perturbation theory, we investigate how the conformal weights of its fields change at first and second order and find approximate minima. This serves as a toy model for a mechanism that could produce new chiral fields and possibly new nearby rational CFTs.
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Acknowledgments
We thank Luis Apolo, Nathan Benjamin, Suzanne Bintanja and Ida Zadeh for helpful discussions and comments on the draft. We thank an anonymous referee for useful comments on a previous version of the article. The work of CAK is supported in part by NSF Grant 2111748.
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Keller, C.A. Conformal perturbation theory on K3: the quartic Gepner point. J. High Energ. Phys. 2024, 197 (2024). https://doi.org/10.1007/JHEP01(2024)197
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DOI: https://doi.org/10.1007/JHEP01(2024)197