The SAGEX review on scattering amplitudes Chapter 8: Half BPS correlators

P Heslop - Journal of Physics A: Mathematical and Theoretical, 2022 - iopscience.iop.org
Half BPS correlators in N= 4 super Yang–Mills theory are key quantities both in the AdS/CFT
correspondence as well as in scattering amplitudes research. They are dual at strong …

Phases of Wilson lines: conformality and screening

O Aharony, G Cuomo, Z Komargodski, M Mezei… - Journal of High Energy …, 2023 - Springer
A bstract We study the rich dynamics resulting from introducing static charged particles
(Wilson lines) in 2+ 1 and 3+ 1 dimensional gauge theories. Depending on the charges of …

Unmixing the Wilson line defect CFT. Part II. Analytic bootstrap

P Ferrero, C Meneghelli - Journal of High Energy Physics, 2024 - Springer
A bstract In this second installment of a series of two papers on the\(\frac {1}{2}\)-BPS Wilson
line defect CFT in\(\mathcal {N}\)= 4 super Yang-Mills, we focus on dynamical aspects of the …

Bootstrability in defect CFT: integrated correlators and sharper bounds

A Cavaglià, N Gromov, J Julius, M Preti - Journal of High Energy Physics, 2022 - Springer
A bstract We continue to develop Bootstrability—a method merging Integrability and
Conformal Bootstrap to extract CFT data in integrable conformal gauge theories such …

Spin impurities, Wilson lines and semiclassics

G Cuomo, Z Komargodski, M Mezei… - Journal of High Energy …, 2022 - Springer
A bstract We consider line defects with large quantum numbers in conformal field theories.
First, we consider spin impurities, both for a free scalar triplet and in the Wilson-Fisher O (3) …

Unmixing the Wilson line defect CFT. Part I. Spectrum and kinematics

P Ferrero, C Meneghelli - Journal of High Energy Physics, 2024 - Springer
A bstract This is the first of a series of two papers in which we study the one-dimensional
defect CFT defined by insertions of local operators along a\(\frac {1}{2}\)-BPS Wilson line …

Structure constants in = 4 SYM at finite coupling as worldsheet g-function

Y Jiang, S Komatsu, E Vescovi - Journal of High Energy Physics, 2020 - Springer
A bstract We develop a novel nonperturbative approach to a class of three-point functions in
planar\(\mathcal {N}\)= 4 SYM based on Thermodynamic Bethe Ansatz (TBA). More …

Integrated correlators with a Wilson line in = 4 SYM

M Billò, F Galvagno, M Frau, A Lerda - Journal of High Energy Physics, 2023 - Springer
A bstract In the context of integrated correlators in\(\mathcal {N}\)= 4 SYM, we study the 2-
point functions of local operators with a superconformal line defect. Starting from the mass …

Analytic bootstrap for the localized magnetic field

L Bianchi, D Bonomi, E de Sabbata - Journal of High Energy Physics, 2023 - Springer
A bstract We study the two-point function of local operators in the critical O (N) model in the
presence of a magnetic field localized on a line. We use a recently developed conformal …

Analytic bootstrap and Witten diagrams for the ABJM Wilson line as defect CFT1

L Bianchi, G Bliard, V Forini, L Griguolo… - Journal of High Energy …, 2020 - Springer
A bstract We study local operator insertions on 1/2-BPS line defects in ABJM theory.
Specifically, we consider a class of four-point correlators in the CFT 1 with SU (1, 1| 3) super …