Celestial chiral algebras, colour-kinematics duality and integrability

R Monteiro - Journal of High Energy Physics, 2023 - Springer
A bstract We study celestial chiral algebras appearing in celestial holography, using the light-
cone gauge formulation of self-dual Yang-Mills theory and self-dual gravity, and explore also …

Chiral approach to massive higher spins

A Ochirov, E Skvortsov - Physical Review Letters, 2022 - APS
We propose a new, chiral description for massive higher-spin particles in four spacetime
dimensions, which facilitates the introduction of consistent interactions. As proof of concept …

From Moyal deformations to chiral higher-spin theories and to celestial algebras

R Monteiro - Journal of High Energy Physics, 2023 - Springer
A bstract We study the connection of Moyal deformations of self-dual gravity and self-dual
Yang-Mills theory to chiral higher-spin theories, and also to deformations of operator …

Anomaly and double copy in quantum self-dual Yang-Mills and gravity

R Monteiro, R Stark-Muchão, S Wikeley - Journal of High Energy Physics, 2023 - Springer
A bstract Recent works have explored how scattering amplitudes in quantum self-dual Yang-
Mills theory and self-dual gravity can be interpreted as resulting from an anomaly, as first …

[HTML][HTML] Chiral higher spin gravity in (A) dS4 and secrets of Chern–Simons matter theories

A Sharapov, E Skvortsov - Nuclear Physics B, 2022 - Elsevier
Abstract Chiral Higher Spin Gravity with cosmological constant is constructed as a Free
Differential Algebra, ie at the level of equations of motion, which is a smooth deformation of …

Fractional spins, unfolding, and holography. Part II. 4D higher spin gravity and 3D conformal dual

F Diaz, C Iazeolla, P Sundell - Journal of High Energy Physics, 2024 - Springer
A bstract This paper completes the analysis initiated in the companion work arxiv:
2403.02283—referred to as Paper I—by showing how Vasiliev's 4D higher-spin gravity …

[HTML][HTML] Quantum hs-Yang-Mills from the IKKT matrix model

HC Steinacker, T Tran - Nuclear Physics B, 2024 - Elsevier
We study the one-loop effective action of the higher-spin gauge theory induced by the IKKT
matrix model on a M 1, 3× K background, where M 1, 3 is an FLRW cosmological spacetime …

A chiral limit for Chern-Simons-matter theories

O Aharony, RR Kalloor, T Kukolj - Journal of High Energy Physics, 2024 - Springer
A bstract Large N quasi-fermionic Chern-Simons-matter theories have an approximate
higher-spin symmetry that strongly constrains their correlation functions. In particular, the 3 …

Toward a twistor action for chiral higher-spin gravity

T Tran - Physical Review D, 2023 - APS
A covariant twistor action for chiral higher-spin theory in anti–de Sitter and flat space is
constructed in term of a holomorphic Chern-Simons theory on twistor space. The action …

Higher-spin self-dual Yang-Mills and gravity from the twistor space

Y Herfray, K Krasnov, E Skvortsov - Journal of High Energy Physics, 2023 - Springer
A bstract We lift the recently proposed theories of higher-spin self-dual Yang-Mills (SDYM)
and gravity (SDGR) to the twistor space. We find that the most natural room for their twistor …