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Related papers: Bootstrability in Line-Defect CFT with Improved Tr…

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We continue our study of the defect CFT on a Maldacena-Wilson line in N=4 Super-Yang-Mills theory using Bootstrability -- the conformal bootstrap supplemented with exact integrability data. In this paper, we extend this program to charged…

High Energy Physics - Theory · Physics 2024-12-19 Andrea Cavaglià , Nikolay Gromov , Julius Julius , Michelangelo Preti , Nika Sergeevna Sokolova

In this letter we study how the exact non-perturbative integrability methods in 4D N=4 Super-Yang-Mills can work efficiently together with the numerical conformal bootstrap techniques to go beyond the spectral observables and access…

High Energy Physics - Theory · Physics 2022-01-19 Andrea Cavaglià , Nikolay Gromov , Julius Julius , Michelangelo Preti

We investigate two aspects of conformal field theories. In the first part, we study the general 4-point correlator of identical scalars around the fully crossing symmetric point $u=v=1$, where $u,v$ are conformally invariant cross ratios.…

High Energy Physics - Theory · Physics 2018-01-31 Wenliang Li

We study two-point functions of single-trace half-BPS operators in the presence of a supersymmetric Wilson line in $\mathcal{N}=4$ SYM. We use inversion formula technology in order to reconstruct the CFT data starting from a single…

High Energy Physics - Theory · Physics 2022-09-30 Julien Barrat , Aleix Gimenez-Grau , Pedro Liendo

We introduce the use of reinforcement-learning (RL) techniques to the conformal-bootstrap programme. We demonstrate that suitable soft Actor-Critic RL algorithms can perform efficient, relatively cheap high-dimensional searches in the space…

High Energy Physics - Theory · Physics 2022-02-02 Gergely Kántor , Vasilis Niarchos , Constantinos Papageorgakis

We use modern bootstrap techniques to study half-BPS line defects in 4d N=4 superconformal theories. Specifically, we consider the 1d CFT with OSP(4*|4) superconformal symmetry living on such a defect. Our analysis is general and based only…

High Energy Physics - Theory · Physics 2018-11-14 Pedro Liendo , Carlo Meneghelli , Vladimir Mitev

Recently an efficient numerical method has been developed to implement the constraints of crossing symmetry and unitarity on the operator dimensions and OPE coefficients of conformal field theories (CFT) in diverse space-time dimensions. It…

High Energy Physics - Theory · Physics 2013-10-30 Ferdinando Gliozzi

We combine supersymmetric localization results with numerical bootstrap techniques to compute upper bounds on the low-lying CFT data of ${\cal N} = 4$ super-Yang-Mills theory as a function of the complexified gauge coupling $\tau$. In…

High Energy Physics - Theory · Physics 2022-10-11 Shai M. Chester , Ross Dempsey , Silviu S. Pufu

We consider the 1d CFT defined by the half-BPS Wilson line in planar $\mathcal{N}=4$ super Yang-Mills. Using analytic bootstrap methods we derive the four-point function of the super-displacement operator at fourth order in a strong…

High Energy Physics - Theory · Physics 2022-03-10 Pietro Ferrero , Carlo Meneghelli

We continue to develop Bootstrability -- a method merging Integrability and Conformal Bootstrap to extract CFT data in integrable conformal gauge theories such as $\mathcal{N}$=4 SYM. In this paper, we consider the 1D defect CFT defined on…

High Energy Physics - Theory · Physics 2022-06-08 Andrea Cavaglià , Nikolay Gromov , Julius Julius , Michelangelo Preti

We study numerically the 6D (2,0) superconformal bootstrap using the soft-Actor-Critic (SAC) algorithm as a stochastic optimizer. We focus on the four-point functions of scalar superconformal primaries in the energy-momentum multiplet.…

High Energy Physics - Theory · Physics 2023-01-25 Gergely Kántor , Vasilis Niarchos , Constantinos Papageorgakis , Paul Richmond

We use analytic bootstrap techniques for a CFT with an interface or a boundary. Exploiting the analytic structure of the bulk and boundary conformal blocks we extract the CFT data. We further constrain the CFT data by applying the equation…

High Energy Physics - Theory · Physics 2021-09-21 Parijat Dey , Alexander Söderberg

We study the defect CFT associated with the half-BPS Wilson line in $\mathcal{N}=4$ Super Yang-Mills theory in four dimensions. Using a perturbative bootstrap approach, we derive new analytical results for multipoint correlators of…

High Energy Physics - Theory · Physics 2026-01-13 Daniele Artico , Julien Barrat , Giulia Peveri

We introduce a non-unitary-compatible numerical bootstrap strategy based on the statistical stability of OPE data inferred from crossing at multiple cross-ratios. For a trial spectrum, crossing determines OPE coefficients whose residual…

High Energy Physics - Theory · Physics 2026-04-24 Yu-tin Huang , Shao-Cheng Lee , Henry Liao , Justinas Rumbutis

Three-dimensional conformal field theories (CFTs) with slightly broken higher spin symmetry provide an interesting laboratory to study general properties of CFTs and their roles in the AdS/CFT correspondence. In this work we compute the…

High Energy Physics - Theory · Physics 2020-02-07 Zhijin Li

We propose a new approach towards analytically solving for the dynamical content of Conformal Field Theories (CFTs) using the bootstrap philosophy. This combines the original bootstrap idea of Polyakov with the modern technology of the…

High Energy Physics - Theory · Physics 2017-03-01 Rajesh Gopakumar , Apratim Kaviraj , Kallol Sen , Aninda Sinha

We compute numerically the dimensions and OPE coefficients of several operators in the 3d Ising CFT, and then try to reverse-engineer the solution to crossing symmetry analytically. Our key tool is a set of new techniques for computing…

High Energy Physics - Theory · Physics 2017-03-20 David Simmons-Duffin

In this long overdue second installment, we continue to develop the conformal bootstrap program for ${\mathcal N}=4$ superconformal field theories in four dimensions via an analysis of the correlation function of four stress-tensor…

High Energy Physics - Theory · Physics 2019-07-24 Christopher Beem , Leonardo Rastelli , Balt C. van Rees

We develop new tools for isolating CFTs using the numerical bootstrap. A "cutting surface" algorithm for scanning OPE coefficients makes it possible to find islands in high-dimensional spaces. Together with recent progress in large-scale…

High Energy Physics - Theory · Physics 2020-07-06 Shai M. Chester , Walter Landry , Junyu Liu , David Poland , David Simmons-Duffin , Ning Su , Alessandro Vichi

In this paper we deploy for the first time Reinforcement-Learning algorithms in the context of the conformal-bootstrap programme to obtain numerical solutions of conformal field theories (CFTs). As an illustration, we use a soft…

High Energy Physics - Theory · Physics 2022-02-02 Gergely Kántor , Vasilis Niarchos , Constantinos Papageorgakis
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