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The large-N limit of the 4d N=1 superconformal index

Articolo
Data di Pubblicazione:
2020
Abstract:
We systematically analyze the large-N limit of the superconformal index of N=1 superconformal theories having a quiver description. The index of these theories is known in terms of unitary matrix integrals, which we calculate using the recently-developed technique of elliptic extension. This technique allows us to easily evaluate the integral as a sum over saddle points of an effective action in the limit where the rank of the gauge group is infinite. For a generic quiver theory under consideration, we find a special family of saddles whose effective action takes a universal form controlled by the anomaly coefficients of the theory. This family includes the known supersymmetric black hole solution in the holographically dual AdS_5 theories. We then analyze the index refined by turning on flavor chemical potentials. We show that, for a certain range of chemical potentials, the effective action again takes a universal cubic form that is controlled by the anomaly coefficients of the theory. Finally, we present a large class of solutions to the saddle-point equations which are labelled by group homomorphisms of finite abelian groups of order N into the torus.
Tipologia CRIS:
03A-Articolo su Rivista
Keywords:
High Energy Physics - Theory
Elenco autori:
Alejandro Cabo-Bizet; Davide Cassani; Dario Martelli; Sameer Murthy
Autori di Ateneo:
MARTELLI Dario
Link alla scheda completa:
https://iris.unito.it/handle/2318/1763417
Link al Full Text:
https://iris.unito.it/retrieve/handle/2318/1763417/682880/Cabo-Bizet2020_Article_TheLarge-NLimitOfThe4dNMathcal.pdf
Pubblicato in:
JOURNAL OF HIGH ENERGY PHYSICS
Journal
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URL

http://arxiv.org/abs/2005.10654v2
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