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Title: Wormholes, emergent gauge fields, and the weak gravity conjecture

Journal Article · · Journal of High Energy Physics (Online)
 [1]
  1. Harvard Univ., Cambridge, MA (United States). Center for the Fundamental Laws of Nature

This paper revisits the question of reconstructing bulk gauge fields as boundary operators in AdS/CFT. In the presence of the ormhole dual to the thermo field double state of two CFTs, the existence of bulk gauge fields is in some tension with the microscopic tensor factorization of the Hilbert space. Here, I explain how this tension can be resolved by splitting the gauge field into charged constituents, and I argue that this leads to a new argument for the "principle of completeness", which states that the charge lattice of a gauge theory coupled to gravity must be fully populated. I also claim that it leads to a new motivation for (and a clarification of) the "weak gravity conjecture", which I interpret as a strengthening of this principle. This setup gives a simple example of a situation where describing low-energy bulk physics in CFT language requires knowledge of high-energy bulk physics. Furthermore, this contradicts to some extent the notion of "effective conformal field theory", but in fact is an expected feature of the resolution of the black hole information problem. An analogous factorization issue exists also for the gravitational field, and I comment on several of its implications for reconstructing black hole interiors and the emergence of spacetime more generally.

Research Organization:
Harvard Univ., Cambridge, MA (United States)
Sponsoring Organization:
USDOE
Grant/Contract Number:
FG02-91ER40654
OSTI ID:
1327308
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: 141 works
Citation information provided by
Web of Science

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Cited By (35)

A Tower Weak Gravity Conjecture from Infrared Consistency journal May 2018
A Spin-2 Conjecture on the Swampland journal December 2018
The Swampland: Introduction and Review journal April 2019
Superselection sectors of gravitational subregions journal January 2019
Swampland variations on a theme by KKLT journal May 2019
Racing through the swampland: de Sitter uplift vs. weak gravity journal September 2018
On the entanglement entropy of Maxwell theory: a condensed matter perspective journal December 2018
The Ryu–Takayanagi Formula from Quantum Error Correction journal May 2017
Quantum-First Gravity journal February 2019
Weak Gravity Conjecture and extremal black holes journal June 2019
Conformal symmetry and its breaking in two-dimensional nearly anti-de Sitter space journal November 2016
Relating the scalar weak gravity conjecture and the swampland distance conjecture for an accelerating universe journal October 2019
The Weak Gravity Conjecture and emergence from an ultraviolet cutoff journal April 2018
The Hilbert space of quantum gravity is locally finite-dimensional journal October 2017
Black hole entropy and soft hair text January 2018
Racing through the swampland: de Sitter uplift vs weak gravity text January 2018
Racing through the swampland: de Sitter uplift vs. weak gravity text January 2018
Evidence for a Lattice Weak Gravity Conjecture text January 2016
The Ryu-Takayanagi Formula from Quantum Error Correction text January 2016
Weak Gravity Conjecture and Extremal Black Holes preprint January 2016
Superrotation Charge and Supertranslation Hair on Black Holes text January 2016
Constraining Neutrino Masses, the Cosmological Constant and BSM Physics from the Weak Gravity Conjecture text January 2017
Weak Gravity Conjecture, Multiple Point Principle and the Standard Model Landscape text January 2017
A Tower Weak Gravity Conjecture from Infrared Consistency text January 2018
Infinite Distances in Field Space and Massless Towers of States text January 2018
Quantum-first gravity text January 2018
Tensionless Strings and the Weak Gravity Conjecture text January 2018
Black Hole Entropy and Soft Hair text January 2018
Constraints on symmetry from holography text January 2018
Holographic Renyi Entropy from Quantum Error Correction text January 2018
A Spin-2 Conjecture on the Swampland text January 2018
Firewalls vs. Scrambling text January 2019
The Swampland: Introduction and Review text January 2019
Relating the scalar weak gravity conjecture and the swampland distance conjecture for an accelerating universe text January 2019
Entanglement entropy and superselection sectors I. Global symmetries text January 2019

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