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Holographic reconstruction of AdS exchanges from crossing symmetry

Journal Article · · Journal of High Energy Physics (Online)
 [1];  [2];  [3]
  1. Univ. of Oxford (United Kingdom). Mathematical Inst.; Mathematical Institute, University of Oxford, Andrew Wiles Building, Radcliffe, Observatory Quarter, Woodstock Road, Oxford, OX2 6GG, U.K.
  2. Harvard Univ., Cambridge, MA (United States). Center for the Fundamental Laws of Nature
  3. Princeton Univ., NJ (United States). Dept. of Physics
Motivated by AdS/CFT, we address the following outstanding question in large N conformal field theory: given the appearance of a single-trace operator in the O x O OPE of a scalar primary O, what is its total contribution to the vacuum four-point function (OOOO) as dictated by crossing symmetry? We solve this problem in 4d conformal field theories at leading order in 1/N. Viewed holographically, this provides a field theory reconstruction of crossing-symmetric, four-point exchange amplitudes in AdS5. Our solution takes the form of a resummation of the large spin solution to the crossing equations, supplemented by corrections at finite spin, required by crossing. The method can be applied to the exchange of operators of arbitrary twist τ and spin s, although it vastly simplifies for even-integer twist, where we give explicit results. The output is the set of OPE data for the exchange of all double-trace operators [OO]n,ℓ. We find that the double-trace anomalous dimensions γ n,ℓ are negative, monotonic and convex functions of ℓ, for all n and all ℓ > s. This constitutes a holographic signature of bulk causality and classical dynamics of even-spin fields. We also find that the “derivative relation” between double-trace anomalous dimensions and OPE coefficients does not hold in general, and derive the explicit form of the deviation in several cases. Finally, we study large n limits of γ n,ℓ, relevant for the Regge and bulk-point regimes.
Research Organization:
Harvard Univ., Cambridge, MA (United States); Princeton Univ., NJ (United States); Univ. of Oxford (United Kingdom)
Sponsoring Organization:
European Research Council (ERC); USDOE Office of Science (SC), High Energy Physics (HEP) (SC-25)
Grant/Contract Number:
FG02-91ER40671
OSTI ID:
1425403
Journal Information:
Journal of High Energy Physics (Online), Journal Name: Journal of High Energy Physics (Online) Journal Issue: 8 Vol. 2017; ISSN 1029-8479
Publisher:
Springer BerlinCopyright Statement
Country of Publication:
United States
Language:
English

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Cited By (35)

Quantum gravity from conformal field theory journal January 2018
Unmixing supergravity journal February 2018
Double-trace deformations of conformal correlations journal February 2018
The analytic functional bootstrap. Part II. Natural bases for the crossing equation journal February 2019
Polyakov-Mellin bootstrap for AdS loops journal February 2020
How to succeed at holographic correlators without really trying journal April 2018
p-adic Mellin amplitudes journal April 2019
Recursion relations in Witten diagrams and conformal partial waves journal May 2019
Bulk phase shift, CFT Regge limit and Einstein gravity journal June 2018
On Mellin amplitudes in SCFTs with eight supercharges journal July 2018
Beyond a = c : gravitational couplings to matter and the stress tensor OPE journal July 2018
On superconformal four-point Mellin amplitudes in dimension d > 2 journal August 2018
Einstein gravity from ANEC correlators journal August 2019
The conformal bootstrap at finite temperature journal October 2018
Anomalous dimensions from crossing kernels journal November 2018
Light-ray operators in conformal field theory journal November 2018
Conformal bootstrap in the Regge limit journal December 2017
Gravitational S-matrix from CFT dispersion relations journal December 2018
Recursion relations in p  -adic Mellin Space journal June 2019
Loop Corrections to Supergravity on AdS 5 × S 5 journal October 2017
The conformal bootstrap: Theory, numerical techniques, and applications journal January 2019
Bulk Phase Shift, CFT Regge Limit and Einstein Gravity text January 2017
Conformal Bootstrap in the Regge Limit text January 2017
Quantum Gravity from Conformal Field Theory text January 2017
Unmixing Supergravity text January 2017
How to Succeed at Holographic Correlators Without Really Trying text January 2017
Beyond $a=c$: Gravitational Couplings to Matter and the Stress Tensor OPE text January 2017
Double-Trace Deformations of Conformal Correlations text January 2018
The Conformal Bootstrap at Finite Temperature text January 2018
On Mellin Amplitudes in SCFTs with Eight Supercharges text January 2018
Light-ray operators in conformal field theory text January 2018
The Conformal Bootstrap: Theory, Numerical Techniques, and Applications text January 2018
Anomalous Dimensions from Crossing Kernels text January 2018
Polyakov-Mellin Bootstrap for AdS loops text January 2018
Recursion Relations in Witten Diagrams and Conformal Partial Waves text January 2018

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