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We introduce the analytic superspace formalism for six-dimensional $(N,0)$ superconformal field theories. Concentrating on the $(2,0)$ theory we write down the Ward identities for correlation functions in the theory and show how to solve…

High Energy Physics - Theory · Physics 2010-02-03 P. J. Heslop

Following recent advances in large N matrix mechanics, I discuss here the free (Cuntz) algebraic formulation of the large N limit of two-dimensional conformal field theories of chiral adjoint fermions and bosons. One of the central results…

High Energy Physics - Theory · Physics 2014-11-18 M. B. Halpern

In this paper we study the n-point correlation functions of two different families of local gauge invariant operators in N=4 supersymmetric Yang-Mills theory. The main idea is to consider the correlation functions of operators which all…

High Energy Physics - Theory · Physics 2009-04-17 Nadav Drukker , Jan Plefka

Four-dimensional N=2 superconformal field theories have families of protected correlation functions that possess the structure of two-dimensional chiral algebras. In this paper, we explore the chiral algebras that arise in this manner in…

High Energy Physics - Theory · Physics 2022-08-22 Christopher Beem , Wolfger Peelaers , Leonardo Rastelli , Balt C. van Rees

In the large-Nc limit of QCD, the chiral expansion of the vacuum polarization at low energies determines the whole function at any arbitrarily large (but finite) energy. This result is an immediate consequence of the Theory of Pade…

High Energy Physics - Phenomenology · Physics 2008-11-26 Santiago Peris

Applying the Casimir operator to four-point functions in CFTs allows us to find the conformal blocks for any external operators. In this work, we initiate the program to find the superconformal blocks, using the super Casimir operator, for…

High Energy Physics - Theory · Physics 2019-03-27 Israel A. Ramírez

We study chiral deformations of ${\cal N}=2$ and ${\cal N}=4$ supersymmetric gauge theories obtained by turning on $\tau_J \,{\rm tr} \, \Phi^J$ interactions with $\Phi$ the ${\cal N}=2$ superfield. Using localization, we compute the…

High Energy Physics - Theory · Physics 2016-01-20 F. Fucito , J. F. Morales , R. Poghossian

Operators in N=4 super Yang-Mills theory with an R-charge of O(N^2) are dual to backgrounds which are asymtotically AdS5xS5. In this article we develop efficient techniques that allow the computation of correlation functions in these…

High Energy Physics - Theory · Physics 2011-04-28 Robert de Mello Koch , Norman Ives , Michael Stephanou

We study the large $N$ and large representation limits of the Schur line defect correlators of the Wilson line operators transforming in the (anti)symmetric, hook and rectangular representations for $\mathcal{N}=4$ $U(N)$ super Yang-Mills…

High Energy Physics - Theory · Physics 2024-01-19 Yasuyuki Hatsuda , Tadashi Okazaki

The limit of families of two-dimensional conformal field theories has recently attracted attention in the context of AdS/CFT dualities. In our work we analyse the limit of N=(2,2) superconformal minimal models when the central charge…

High Energy Physics - Theory · Physics 2015-06-04 Stefan Fredenhagen , Cosimo Restuccia , Rui Sun

We study correlation functions of single-cycle chiral operators in the symmetric product orbifold of N supersymmetric four-tori. Correlators of twist operators are evaluated on covering surfaces, generally of different genera, where fields…

High Energy Physics - Theory · Physics 2009-11-05 Ari Pakman , Leonardo Rastelli , Shlomo S. Razamat

In this note we study two point functions of Coulomb branch chiral ring elements with large $R$-charge, in quantum field theories with ${\mathcal N} = 2$ superconformal symmetry in four spacetime dimensions. Focusing on the case of…

High Energy Physics - Theory · Physics 2018-01-03 Simeon Hellerman , Shunsuke Maeda

We construct superconformal invariants in superspace which are used to build 3-point correlators of spinning operators in general $\cal{N}=2$ superconformal field theories in three dimensions. Our systematic analysis includes various…

High Energy Physics - Theory · Physics 2022-12-22 Aditya Jain , Amin A. Nizami

We study the correspondence between the large $N$ limit of ${\cal N} = 2$ three dimensional superconformal field theories and M theory on orbifolds of $AdS_4 \times {\bf S^7}$. We identify the brane configuration which gives $C^3/Z_3$ as a…

High Energy Physics - Theory · Physics 2009-10-31 Changhyun Ahn , Kyungho Oh , Radu Tatar

We study operators with large internal charge in boundary conformal field theories (BCFTs) with internal symmetries. Using the state-operator correspondence and the existence of a macroscopic limit, we find a non-trivial relation between…

High Energy Physics - Theory · Physics 2021-11-03 Gabriel Cuomo , Márk Mezei , Avia Raviv-Moshe

We apply the functional renormalization group approach to a $\mathcal{N}=1$ supersymmetric gauge model with one chiral superfield coupled to a vector $U(1)$ superfield. We find that the nonrenormalization theorem still works at leading…

High Energy Physics - Theory · Physics 2023-02-22 Jeremy Echeverria , Maximiliano Binder , Ivan Schmidt

The numerical conformal bootstrap is used to study mixed correlators in $\mathcal{N}=1$ superconformal field theories (SCFTs) in $d=4$ spacetime dimensions. Systems of four-point functions involving scalar chiral and real operators are…

High Energy Physics - Theory · Physics 2017-08-02 Daliang Li , David Meltzer , Andreas Stergiou

We introduce a novel harmonic superspace for $3d$ $\mathcal{N}=6$ superconformal field theories that is tailor made for the study of correlation functions of BPS operators. We calculate a host of two- and three-point functions in full…

High Energy Physics - Theory · Physics 2016-08-24 Pedro Liendo , Carlo Meneghelli , Vladimir Mitev

We provide the geometrical meaning of the ${\cal N}=4$ superconformal index. With this interpretation, the ${\cal N}=4$ superconformal index can be realized as the partition function on a Scherk-Schwarz deformed background. We apply the…

High Energy Physics - Theory · Physics 2015-05-27 Satoshi Nawata

We consider $\mathcal{N}=2$ superconformal quiver gauge theories in four dimensions and evaluate the chiral/anti-chiral correlators of single-trace operators. We show that it is convenient to form particular twisted and untwisted…

High Energy Physics - Theory · Physics 2021-11-10 M. Billo , M. Frau , F. Galvagno , A. Lerda , A. Pini