期刊
JOURNAL OF HIGH ENERGY PHYSICS
卷 -, 期 11, 页码 -出版社
SPRINGER
DOI: 10.1007/JHEP11(2021)135
关键词
AdS-CFT Correspondence; Gauge-gravity correspondence; Classical Theories of Gravity; Conformal Field Theory
资金
- National Natural Science Foundation of China (NSFC) [11875200, 11935009, 11947301, 12047502]
- Fonds de Recherche du Quebec - Nature et Technologies
- Simons Collaboration on the Nonperturbative Bootstrap
In this paper, the holographic central charges and OPE coefficients in four-dimensional CFTs are derived using AdS gravity as an effective field theory, with a focus on their invariance under metric field redefinition and a hidden relation among the OPE coefficients. Furthermore, it is proven that a specific relation holds for massless AdS gravity constructed from the most general Riemann tensor invariants, demonstrating the consistency of the derived results.
It is known that the (a, c) central charges in four-dimensional CFTs are linear combinations of the three independent OPE coefficients of the stress-tensor three-point function. In this paper, we adopt the holographic approach using AdS gravity as an effect field theory and consider higher-order corrections up to and including the cubic Riemann tensor invariants. We derive the holographic central charges and OPE coefficients and show that they are invariant under the metric field redefinition. We further discover a hidden relation among the OPE coefficients that two of them can be expressed in terms of the third using differential operators, which are the unit radial vector and the Laplacian of a four-dimensional hyperbolic space whose radial variable is an appropriate length parameter that is invariant under the field redefinition. Furthermore, we prove that the consequential relation c = 1/3l(eff)partial derivative a/partial derivative l(eff )and its higher-dimensional generalization are valid for massless AdS gravity constructed from the most general Riemann tensor invariants.
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