The large-N limit of 4d superconformal indices for general BPS charges

Abstract We study the superconformal index of N $$ \mathcal{N} $$ = 1 quiver theories at large-N for general values of electric charges and angular momenta, using both the Bethe Ansatz formulation and the more recent elliptic extension method. We are particularly interested in the case of unequal an...

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Main Author: Edoardo Colombo
Format: Article
Language:English
Published: SpringerOpen 2022-12-01
Series:Journal of High Energy Physics
Subjects:
Online Access:https://doi.org/10.1007/JHEP12(2022)013
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author Edoardo Colombo
author_facet Edoardo Colombo
author_sort Edoardo Colombo
collection DOAJ
description Abstract We study the superconformal index of N $$ \mathcal{N} $$ = 1 quiver theories at large-N for general values of electric charges and angular momenta, using both the Bethe Ansatz formulation and the more recent elliptic extension method. We are particularly interested in the case of unequal angular momenta, J 1 ≠ J 2, which has only been partially considered in the literature. We revisit the previous computation with the Bethe Ansatz formulation with generic angular momenta and extend it to encompass a large class of competing exponential terms. In the process, we also provide a simplified derivation of the original result. We consider the newly-developed elliptic extension method as well; we apply it to the J 1 ≠ J 2 case, finding a good match with the Bethe Ansatz results. We also investigate the relation between the two different approaches, finding in particular that for every saddle of the elliptic action there are corresponding terms in the Bethe Ansatz formula that match it at large-N.
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spelling doaj.art-96d185dabd1d4eac81f6cabb8b3958d72023-03-26T11:03:52ZengSpringerOpenJournal of High Energy Physics1029-84792022-12-0120221214210.1007/JHEP12(2022)013The large-N limit of 4d superconformal indices for general BPS chargesEdoardo Colombo0Dipartimento di Fisica, Università di Milano-BicoccaAbstract We study the superconformal index of N $$ \mathcal{N} $$ = 1 quiver theories at large-N for general values of electric charges and angular momenta, using both the Bethe Ansatz formulation and the more recent elliptic extension method. We are particularly interested in the case of unequal angular momenta, J 1 ≠ J 2, which has only been partially considered in the literature. We revisit the previous computation with the Bethe Ansatz formulation with generic angular momenta and extend it to encompass a large class of competing exponential terms. In the process, we also provide a simplified derivation of the original result. We consider the newly-developed elliptic extension method as well; we apply it to the J 1 ≠ J 2 case, finding a good match with the Bethe Ansatz results. We also investigate the relation between the two different approaches, finding in particular that for every saddle of the elliptic action there are corresponding terms in the Bethe Ansatz formula that match it at large-N.https://doi.org/10.1007/JHEP12(2022)013AdS-CFT CorrespondenceBlack Holes in String Theory
spellingShingle Edoardo Colombo
The large-N limit of 4d superconformal indices for general BPS charges
Journal of High Energy Physics
AdS-CFT Correspondence
Black Holes in String Theory
title The large-N limit of 4d superconformal indices for general BPS charges
title_full The large-N limit of 4d superconformal indices for general BPS charges
title_fullStr The large-N limit of 4d superconformal indices for general BPS charges
title_full_unstemmed The large-N limit of 4d superconformal indices for general BPS charges
title_short The large-N limit of 4d superconformal indices for general BPS charges
title_sort large n limit of 4d superconformal indices for general bps charges
topic AdS-CFT Correspondence
Black Holes in String Theory
url https://doi.org/10.1007/JHEP12(2022)013
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