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arxiv: 1406.3312 · v1 · submitted 2014-06-12 · ✦ hep-th · gr-qc

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Semiclassical Virasoro Symmetry of the Quantum Gravity S-Matrix

Daniel Kapec , Vyacheslav Lysov , Sabrina Pasterski , Andrew Strominger
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classification ✦ hep-th gr-qc
keywords gravityquantums-matrixsymmetryvirasoroactsconformalfour-dimensional
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It is shown that the tree-level S-matrix for quantum gravity in four-dimensional Minkowski space has a Virasoro symmetry which acts on the conformal sphere at null infinity.

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