Exact results on the Bethe Ansatz evaluation of the SCI

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 T1,1 and partially for the suspended pinch point the matching is exact in absence of the contributions from continuous solutions.

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Publication Details

Journal
Nuclear Physics B
Published
2025-11-22
DOI
https://doi.org/10.1016/j.nuclphysb.2025.117215
Primary Topic
Black Holes and Theoretical Physics
Type
article
Field-Weighted Citation Impact
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article

Exact results on the Bethe Ansatz evaluation of the SCI

Antonio Amariti, Pietro Glorioso
Nuclear Physics B
Black Holes and Theoretical Physics
article

Exact results on the Bethe Ansatz evaluation of the SCI

Antonio Amariti, Pietro Glorioso
article en

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 T1,1 and partially for the suspended pinch point the matching is exact in absence of the contributions from continuous solutions.

Nuclear Physics BVol. 1022
Openalex Percentile: Top 84%
Black Holes and Theoretical Physics
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Exact results on the Bethe Ansatz evaluation of the SCI — Antonio Amariti, Pietro Glorioso · Nuclear Physics B (2025) | TGRS Research Map | TGRS