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Title: Witten diagrams revisited: the AdS geometry of conformal blocks

Journal Article · · Journal of High Energy Physics (Online)
 [1];  [1];  [2];  [1]
  1. Univ. of California, Los Angeles, CA (United States). Dept. of Physics and Astronomy
  2. Princeton Univ., NJ (United States). Dept. of Physics

Here, we develop a new method for decomposing blocks. The steps involved are elementary, requiring no explicit integration, and operate directly in position space. Central to this construction is an appealingly simple answer to the question: what object in AdS computes a conformal block? The answer is a "geodesic Witten diagram", which is essentially an ordinary exchange Witten diagram, except that the cubic vertices are not integrated over all of AdS, but only over bulk geodesics connecting the boundary operators. In particular, we also consider the case of four-point functions of scalar operators, and show how to easily reproduce existing results for the relevant conformal blocks in arbitrary dimension.

Research Organization:
Princeton Univ., NJ (United States)
Sponsoring Organization:
USDOE
Grant/Contract Number:
FG02-91ER40671; NSF PHY11-25915; PHY-1313986
OSTI ID:
1327296
Journal Information:
Journal of High Energy Physics (Online), Vol. 2016, Issue 1; ISSN 1029-8479
Publisher:
Springer BerlinCopyright Statement
Country of Publication:
United States
Language:
English
Citation Metrics:
Cited by: 134 works
Citation information provided by
Web of Science

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Cited By (56)

Bands and gaps in Nekrasov partition function journal January 2018
Holographic relations for OPE blocks in excited states journal March 2019
A bound on massive higher spin particles journal April 2019
p-adic Mellin amplitudes journal April 2019
Geodesic diagrams, gravitational interactions & OPE structures journal June 2017
Spinning AdS loop diagrams: two point functions journal June 2018
Bulk phase shift, CFT Regge limit and Einstein gravity journal June 2018
Loops in AdS from conformal field theory journal July 2017
Momentum space approach to crossing symmetric CFT correlators journal July 2018
Fermions in geodesic Witten diagrams journal July 2018
Entanglement, holography and causal diamonds journal August 2016
Holographic reconstruction of AdS exchanges from crossing symmetry journal August 2017
c-Recursion for multi-point superconformal blocks. NS sector journal August 2018
Witten diagrams for torus conformal blocks journal September 2017
A conformal collider for holographic CFTs journal October 2018
Structure constants from modularity in warped CFT journal October 2019
Spinning geodesic Witten diagrams journal November 2017
Kinematic space for conical defects journal November 2017
Multi-centered higher spin solutions from W N $$ {\mathcal{W}}_N $$ conformal blocks journal November 2018
Dynamical constraints on RG flows and cosmology journal December 2019
Towards entanglement of purification for conformal field theories journal June 2018
Conformal correlators and blocks with spinors in general dimensions journal September 2017
Geodesic Witten diagrams with antisymmetric tensor exchange journal October 2017
Holographic complexity from Crofton’s formula in Lorentzian AdS 3 journal December 2019
A Mellin space approach to the conformal bootstrap journal May 2017
Quantum Regge trajectories and the Virasoro analytic bootstrap journal May 2019
Spinning Witten diagrams journal June 2017
Higher-point conformal blocks and entanglement entropy in heavy states text January 2016
Charged structure constants from modularity text January 2017
Charged structure constants from modularity journal November 2017
Causality Constraints in Conformal Field Theory text January 2015
Hawking from Catalan text January 2015
Higher-point conformal blocks and entanglement entropy in heavy states text January 2016
A Stereoscopic Look into the Bulk text January 2016
Conformal Bootstrap in Mellin Space text January 2016
Einstein gravity 3-point functions from conformal field theory text January 2016
Anatomy of Geodesic Witten Diagrams text January 2017
Holographic Reconstruction of AdS Exchanges from Crossing Symmetry text January 2017
Bulk Phase Shift, CFT Regge Limit and Einstein Gravity text January 2017
Witten Diagrams for Torus Conformal Blocks text January 2017
From Conformal Blocks to Path Integrals in the Vaidya Geometry text January 2017
Weight Shifting Operators and Conformal Blocks text January 2017
Kinematic space for conical defects text January 2017
Bands and gaps in Nekrasov partition function text January 2017
Double-Trace Deformations of Conformal Correlations text January 2018
The Conformal Bootstrap at Finite Temperature text January 2018
Towards Entanglement of Purification for Conformal Field Theories text January 2018
Fermions in Geodesic Witten Diagrams text January 2018
A Conformal Collider for Holographic CFTs text January 2018
Large $c$ Virasoro Blocks from Monodromy Method beyond Known Limits text January 2018
Holographic relations for OPE blocks in excited states text January 2018
An Analytic Approach to BCFT$_d$ text January 2018
Holographic dual of the five-point conformal block text January 2019
Structure Constants from Modularity in Warped CFT text January 2019
Dynamical Constraints on RG Flows and Cosmology text January 2019
Towards the higher point holographic momentum space amplitudes II: Gravitons text January 2019

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