期刊
JOURNAL OF HIGH ENERGY PHYSICS
卷 -, 期 5, 页码 -出版社
SPRINGER
DOI: 10.1007/JHEP05(2020)108
关键词
Supersymmetric Gauge Theory; Extended Supersymmetry; Conformal Field Theory
资金
- ERC Consolidator Grant STRINGFLATION under the HORIZON 2020 grant [647995]
- la Caixa Foundation [100010434, LCF/BQ/IN18/11660045]
- European Union's Horizon 2020 research and innovation programme under the Marie Sk lodowska-Curie grant [713673]
We prove that a very large class of 15502 general Argyres-Douglas theories cannot admit a UV lagrangian which flows to them via the Maruyoshi-Song supersymmetry enhancement mechanism. We do so by developing a computer program which brute-force lists, for any given 4d N = 2 superconformal theory T-IR, all possible UV candidate superconformal lagrangians T-UV satisfying some necessary criteria for the supersymmetry enhancement to happen. We argue that this is enough evidence to conjecture that it is impossible, in general, to find new examples of Maruyoshi-Song lagrangians for generalized Argyres-Douglas theories. All lagrangians already known are, on the other hand, recovered and confirmed in our scan. Finally, we also develop another program to compute efficiently Coulomb branch spectrum, masses, couplings and central charges for (G, G ') Argyres-Douglas theories of arbitrarily high rank.
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