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A Family of Vertex Operator Algebras from Argyres-Douglas Theory
by Heeyeon Kim, Jaewon Song
Submission summary
| Authors (as registered SciPost users): | Heeyeon Kim |
| Submission information | |
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| Preprint Link: | https://arxiv.org/abs/2412.20015v2 (pdf) |
| Date submitted: | April 28, 2025, 4:26 a.m. |
| Submitted by: | Kim, Heeyeon |
| Submitted to: | SciPost Physics |
| Ontological classification | |
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| Academic field: | Physics |
| Specialties: |
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| Approaches: | Theoretical, Observational |
Abstract
We find that multiple vertex operator algebras (VOAs) can arise from a single 4d $\mathcal{N}=2$ superconformal field theory (SCFT). The connection is given by the BPS monodromy operator $M$, which is a wall-crossing invariant quantity that captures the BPS spectrum on the Coulomb branch. We find that the trace of the multiple powers of the monodromy operator $\mathrm{Tr} M^N$ produces the vacuum characters of a VOA for each $N$. In particular, we realize unitary VOAs of the Deligne-Cvitanovi\'c exceptional series type $(A_2)_1$, $(G_2)_1$, $(D_4)_1$, $(F_4)_1$, $(E_6)_1$ from Argyres-Douglas theories. We also find the modular invariant characters of the `intermediate vertex subalgebra' $(E_{7\frac{1}{2}})_1$ and $(X_1)_1$. Our analysis allows us to construct 3d $\mathcal{N}=2$ gauge theories that flow to $\mathcal{N}=4$ SCFTs in the IR, which gives rise to the topological field theories realizing the VOAs with these characters.
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