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Title: Moving the CFT into the bulk with T T ¯

Journal Article · · Journal of High Energy Physics (Online)
 [1]; ORCiD logo [2];  [3]
  1. Princeton Univ., NJ (United States). Dept. of Physics
  2. Princeton Univ., NJ (United States). Princeton Center for Theoretical Science
  3. Princeton Univ., NJ (United States). Dept. of Physics. Princeton Center for Theoretical Science

Recent work by Zamolodchikov and others has uncovered a solvable irrelevant deformation of general 2D CFTs, defined by turning on the dimension 4 operator T T ¯ , the product of the left- and right-moving stress tensor. We propose that in the holographic dual, this deformation represents a geometric cutoff that removes the asymptotic region of AdS and places the QFT on a Dirichlet wall at finite radial distance r = rc in the bulk. As a quantitative check of the proposed duality, we compute the signal propagation speed, energy spectrum, and thermodynamic relations on both sides. In all cases, we obtain a precise match. We derive an exact RG flow equation for the metric dependence of the effective action of the T T ¯ deformed theory, and find that it coincides with the Hamilton-Jacobi equation that governs the radial evolution of the classical gravity action in AdS.

Research Organization:
Princeton Univ., NJ (United States)
Sponsoring Organization:
USDOE Office of Science (SC), High Energy Physics (HEP); National Science Foundation (NSF)
Grant/Contract Number:
SC0016244; PHY-1620059
OSTI ID:
1512424
Journal Information:
Journal of High Energy Physics (Online), Vol. 2018, Issue 4; ISSN 1029-8479
Publisher:
Springer BerlinCopyright Statement
Country of Publication:
United States
Language:
English
Citation Metrics:
Cited by: 236 works
Citation information provided by
Web of Science

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Cited By (27)

Modular covariance and uniqueness of J T ¯ $$ J\overline{T} $$ deformed CFTs journal January 2019
Some information theoretic aspects of de-Sitter holography journal February 2020
Boundary conditions for General Relativity in three-dimensional spacetimes, integrable systems and the KdV/mKdV hierarchies journal August 2019
J T ¯ $$ J\overline{T} $$ deformed CFT2 and string theory journal October 2018
Strings on warped AdS3 via T J ¯ $$ \mathrm{T}\overline{\mathrm{J}} $$ deformations journal October 2018
De Sitter cosmology on an expanding bubble journal October 2019
Entanglement entropy and TT¯$$ T\overline{T} $$ deformations beyond antipodal points from holography journal November 2019
Holographic spacetimes as quantum circuits of path-integrations journal December 2018
$\boldsymbol {T\overline{T}}$ , $\boldsymbol {J\overline{T}}$ , $\boldsymbol{T\overline{J}}$ and string theory journal August 2019
Comments on holographic entanglement entropy in T T deformed conformal field theories journal July 2019
Chaos of QCD string from holography journal August 2019
Entanglement and Rényi entropy of multiple intervals in T T ¯ -deformed CFT and holography journal November 2019
Nonlocal charges from marginal deformations of 2D CFTs: Holographic T T ¯ & T J ¯ , and Yang-Baxter deformations journal January 2020
Entanglement entropy in T T ¯ -deformed CFT journal October 2018
Phase structures and transitions of Born–Infeld black holes in a grand canonical ensemble journal February 2020
Holographic entanglement entropy in cutoff AdS journal December 2018
TT ̄deformations with N = (0,2) supersymmetry text January 2019
Nonlocal charges from marginal deformations of 2D CFTs: Holographic TT¯ & TJ¯, and Yang-Baxter deformations text January 2020
TT ̄flows and (2, 2) supersymmetry text January 2020
Holographic Spacetimes as Quantum Circuits of Path-Integrations text January 2018
Holographic Renyi Entropy from Quantum Error Correction text January 2018
Chaos of QCD string from holography text January 2019
Phase Structures and Transitions of Born-Infeld Black Holes in a Grand Canonical Ensemble text January 2019
KdV charges in $T\bar{T}$ theories and new models with super-Hagedorn behavior text January 2019
de Sitter Cosmology on an expanding bubble text January 2019
Composite operators in $T\bar T$-deformed free QFTs text January 2020
TTbar and Holography text January 2021

Figures / Tables (2)


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