期刊
JOURNAL OF HIGH ENERGY PHYSICS
卷 -, 期 1, 页码 -出版社
SPRINGER
DOI: 10.1007/JHEP01(2023)170
关键词
Superstring Vacua; Superstrings and Heterotic Strings; String Duality
This note demonstrates that the current classification of N=1 string theories in eight and seven dimensions can be fully described by K3 surfaces with frozen singularities in F-Theory or M-Theory. It is shown that there are different equivalent ways of freezing certain collections of singularities with the same ADE type, leading to more connected components in the moduli space than previously thought: one more in eight dimensions and three more in seven dimensions. The existence of a new component in eight dimensions, which decompactifies to a string theory in nine dimensions with a rank 1 gauge group, remains unidentified.
The current classification of N = 1 string theories in eight and seven dimensions is completely captured by K3 surfaces with F-Theory or M-Theory frozen singularities. In this note we show that there are inequivalent ways of freezing certain collections of singularities which have the same ADE type, and so there are more connected components in the moduli space than previously thought; namely, one more in eight dimensions and three more in seven dimensions. We argue that the new component in eight dimensions decompactifies to a string theory in nine dimensions with rank 1 gauge group, which has been so far unidentified. Constructing and studying the stringy descriptions corresponding to these moduli spaces is the subject of a companion paper.
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