We evaluate the superconformal index using the Bethe Ansatz (BA) approach for 4d N=1 toric quiver gauge theories with a small amount of gauge groups. We restrict to SU(2) gauge factors and compare the results with the ones obtained by a direct evaluation of the index. The answer obtained from the BA approach using only discrete solutions for the BA equations does not always reproduce the direct evaluation result. A similar problem affects the case of SU( N ) N=4 SYM for N ≥ 3, and it requires to introduce continuous solutions to the BA equations. However, we find that for T 1,1 and partially for the suspended pinch point the matching is exact in absence of the contributions from continuous solutions.
Exact results on the Bethe Ansatz evaluation of the SCI / A. Amariti, P.G.. - In: NUCLEAR PHYSICS. B. - ISSN 0550-3213. - 1022:(2026 Jan), pp. 117215.1-117215.18. [10.1016/j.nuclphysb.2025.117215]
Exact results on the Bethe Ansatz evaluation of the SCI
P. Glorioso
Ultimo
2026
Abstract
We evaluate the superconformal index using the Bethe Ansatz (BA) approach for 4d N=1 toric quiver gauge theories with a small amount of gauge groups. We restrict to SU(2) gauge factors and compare the results with the ones obtained by a direct evaluation of the index. The answer obtained from the BA approach using only discrete solutions for the BA equations does not always reproduce the direct evaluation result. A similar problem affects the case of SU( N ) N=4 SYM for N ≥ 3, and it requires to introduce continuous solutions to the BA equations. However, we find that for T 1,1 and partially for the suspended pinch point the matching is exact in absence of the contributions from continuous solutions.| File | Dimensione | Formato | |
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[Amariti, Glorioso] Exact results on the Bethe Ansatz evaluation of the SCI.pdf
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