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Geometry of complexity in conformal field theory [PDF]

open access: yesPhysical Review Research, 2020
We initiate quantitative studies of complexity in (1+1)-dimensional conformal field theories with a view that they provide the simplest setting to find a gravity dual to complexity.
Mario Flory, Michal P. Heller
doaj   +7 more sources

Elements of celestial conformal field theory [PDF]

open access: yesJournal of High Energy Physics, 2022
In celestial holography, four-dimensional scattering amplitudes are considered as two-dimensional conformal correlators of a putative two-dimensional celestial conformal field theory (CCFT).
Wei Fan   +4 more
doaj   +2 more sources

State-operator correspondence in celestial conformal field theory [PDF]

open access: yesJournal of High Energy Physics, 2021
The bulk-to-boundary dictionary for 4D celestial holography is given a new entry defining 2D boundary states living on oriented circles on the celestial sphere.
Erin Crawley   +3 more
doaj   +2 more sources

Light-ray operators in conformal field theory [PDF]

open access: yesJournal of High Energy Physics, 2018
We argue that every CFT contains light-ray operators labeled by a continuous spin J. When J is a positive integer, light-ray operators become integrals of local operators over a null line.
Petr Kravchuk, David Simmons-Duffin
doaj   +2 more sources

Hecke relations in rational conformal field theory [PDF]

open access: yesJournal of High Energy Physics, 2018
We define Hecke operators on vector-valued modular forms of the type that appear as characters of rational conformal field theories (RCFTs). These operators extend the previously studied Galois symmetry of the modular representation and fusion algebra of
Jeffrey A. Harvey, Yuxiao Wu
doaj   +2 more sources

Conformal field theory complexity from Euler-Arnold equations [PDF]

open access: yesJournal of High Energy Physics, 2020
Defining complexity in quantum field theory is a difficult task, and the main challenge concerns going beyond free models and associated Gaussian states and operations.
Mario Flory, Michal P. Heller
doaj   +2 more sources

Genus-one string amplitudes from conformal field theory [PDF]

open access: yesJournal of High Energy Physics, 2019
We explore and exploit the relation between non-planar correlators in N $$ \mathcal{N} $$ = 4 super-Yang-Mills, and higher-genus closed string amplitudes in type IIB string theory.
Luis F. Alday   +2 more
doaj   +2 more sources

Quantum gravity from conformal field theory [PDF]

open access: yesJournal of High Energy Physics, 2018
We bootstrap loop corrections to AdS5 supergravity amplitudes by enforcing the consistency of the known classical results with the operator product expansion of N $$ \mathcal{N} $$ = 4 super Yang-Mills theory.
F. Aprile   +3 more
doaj   +2 more sources

On non-supersymmetric conformal manifolds: field theory and holography [PDF]

open access: yesJournal of High Energy Physics, 2017
We discuss the constraints that a conformal field theory should enjoy to admit exactly marginal deformations, i.e. to be part of a conformal manifold. In particular, using tools from conformal perturbation theory, we derive a sum rule from which one can ...
Vladimir Bashmakov   +2 more
doaj   +2 more sources

Loops in AdS from conformal field theory [PDF]

open access: yesJournal of High Energy Physics, 2017
We propose and demonstrate a new use for conformal field theory (CFT) crossing equations in the context of AdS/CFT: the computation of loop amplitudes in AdS, dual to non-planar correlators in holographic CFTs. Loops in AdS are largely unexplored, mostly
Ofer Aharony   +3 more
doaj   +2 more sources

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