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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

Bootstrap equations for conformal correlators that mimic the early theory of conformal bootstrap are written down in frames of the AdS/CFT approach. The simplified version of these equations, that may be justified if Schwinger-Keldysh…

High Energy Physics - Theory · Physics 2020-01-28 Boris L. Altshuler

Any N=2 superconformal field theory (SCFT) in four dimensions has a sector of operators related to a two-dimensional chiral algebra containing a Virasoro sub-algebra. Moreover, there are well-known examples of isolated SCFTs whose chiral…

High Energy Physics - Theory · Physics 2016-11-23 Matthew Buican , Takahiro Nishinaka

Conformal Field Theory in a Minkowski setting is discussed in an embedding space approach, paying special attention to causality constraints for four-point amplitudes. The physics of dilatation and Lorentz boost is emphasized in specifying…

High Energy Physics - Theory · Physics 2024-09-12 Pulkit Agarwal , Richard C. Brower , Timothy G. Raben , Chung-I Tan

The construction of conformal blocks for the analysis of multipoint correlation functions with $N > 4$ local field insertions is an important open problem in higher dimensional conformal field theory. This is the first in a series of papers…

High Energy Physics - Theory · Physics 2021-11-18 Ilija Buric , Sylvain Lacroix , Jeremy Mann , Lorenzo Quintavalle , Volker Schomerus

We use the correspondence between scalar field theory on AdS and induced conformal field theory on its boundary to calculate correlation functions of logarithmic conformal field theory in arbitrary dimensions.Our calculations utilize the…

High Energy Physics - Theory · Physics 2009-11-07 S. Jabbari-Faruji , S. Rouhani

We consider conformal field theories around points of large twist degeneracy. Examples of this are theories with weakly broken higher spin symmetry and perturbations around generalised free fields. At the degenerate point we introduce twist…

High Energy Physics - Theory · Physics 2017-09-20 Luis F. Alday

In this paper, we analyze the constraints imposed by unitarity and crossing symmetry on conformal theories in large dimensions. In particular, we show that in a unitary conformal theory in large dimension $D$, the four-point function of…

High Energy Physics - Theory · Physics 2020-02-25 Abhijit Gadde , Trakshu Sharma

Under the assumption that degenerate fields exist, diagonal CFTs such as Liouville theory can be solved analytically using the conformal bootstrap method. Here we generalize this approach to non-diagonal CFTs, i.e. CFTs whose primary fields…

High Energy Physics - Theory · Physics 2018-07-04 Santiago Migliaccio , Sylvain Ribault

We use tools from conformal representation theory to classify the symmetries associated to conformally soft operators in celestial CFT (CCFT) in general dimensions $d$. The conformal multiplets in $d>2$ take the form of celestial necklaces…

High Energy Physics - Theory · Physics 2023-08-02 Yorgo Pano , Andrea Puhm , Emilio Trevisani

We study two novel approaches to efficiently encoding universal constraints imposed by conformal symmetry, and describe applications to quantum chaos in higher dimensional CFTs. The first approach consists of a reformulation of the shadow…

High Energy Physics - Theory · Physics 2019-12-13 Felix M. Haehl , Wyatt Reeves , Moshe Rozali

Scattering amplitudes in $d+2$ dimensions can be recast as correlators of conformal primary operators in a putative holographic CFT$_d$ by working in a basis of boost eigenstates instead of momentum eigenstates. It has been shown previously…

High Energy Physics - Theory · Physics 2024-02-15 Prahar Mitra

In celestial conformal field theory (CCFT), the 4d massless scalars are represented by 2d conformal operators with conformal dimensions $h=\bar{h}=(1+i\lambda)/2$. The Mellin transform of 4d massless scalar amplitudes gives the conformal…

High Energy Physics - Theory · Physics 2024-02-06 Wei Fan

Conformal field theories (CFTs) in Euclidean signature satisfy well-accepted rules, such as conformal invariance and the convergent Euclidean operator product expansion (OPE). Nowadays, it is common to assume that CFT correlators exist and…

High Energy Physics - Theory · Physics 2022-09-02 Jiaxin Qiao

Logarithmic Conformal Field Theories (LCFT) play a key role, for instance, in the description of critical geometrical problems (percolation, self avoiding walks, etc.), or of critical points in several classes of disordered systems…

High Energy Physics - Theory · Physics 2013-11-22 A. M. Gainutdinov , J. L. Jacobsen , N. Read , H. Saleur , R. Vasseur

We generalize the embedding formalism for conformal field theories to the case of general operators with mixed symmetry. The index-free notation encoding symmetric tensors as polynomials in an auxiliary polarization vector is extended to…

High Energy Physics - Theory · Physics 2015-09-03 Miguel S. Costa , Tobias Hansen

A conformal field theory can be recovered, via the Kontsevich-Miwa transform, as a solution to the Virasoro constraints on the KP tau function. That theory, which we call KM CFT, consists of d \leq 1 matter plus a scalar and a dressing…

High Energy Physics - Theory · Physics 2007-05-23 Beatriz Gato-Rivera , Jose Ignacio Rosado

An explicit analytic formula is presented that computes the conformal (super-)block decomposition of any free scalar or half-BPS diagram in 1d, 2d or 4d CFTs, with various supersymmetries, including none. We prove our formula by exploiting…

High Energy Physics - Theory · Physics 2025-02-21 F. Aprile , J. M. Drummond , P. J. Heslop , M. Santagata

In this paper we derive the projectors to all irreducible SO(d) representations (traceless mixed-symmetry tensors) that appear in the partial wave decomposition of a conformal correlator of four stress-tensors in d dimensions. These…

High Energy Physics - Theory · Physics 2016-08-03 Miguel S. Costa , Tobias Hansen , João Penedones , Emilio Trevisani

Generic Painlev\'e VI tau function \tau(t) can be interpreted as four-point correlator of primary fields of arbitrary dimensions in 2D CFT with c=1. Using AGT combinatorial representation of conformal blocks and determining the…

High Energy Physics - Theory · Physics 2013-12-19 O. Gamayun , N. Iorgov , O. Lisovyy