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2015

General relativity as a two-dimensional CFT

Adamo, Tim

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The tree-level scattering amplitudes of general relativity encode the full non-linearity of the Einstein field equations.

Yet remarkably compact expressions for these amplitudes have been found which seem unrelated to a perturbative expansion of the Einstein-Hilbert action.
This suggests an entirely different description of GR which makes this on-shell simplicity manifest.
Taking our cue from the tree-level amplitudes, we discuss how such a description can be found.

General relativity as a two-dimensional CFT · Around

Built on

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1967
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B. S. DeWitt, Quantum Theory of Gravity. 3. Applications of the Covariant Theory
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C. DeWitt-Morette and W. Wesley, Quantum falling charges
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G. ’t Hooft and M. Veltman, One loop divergencies in the theory of gravitation
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J. Scherk and J. H. Schwarz, Dual Models for Nonhadrons
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A. M. Polyakov and P. Wiegmann, Goldstone Fields in Two-Dimensions with Multivalued Actions
1984
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