Semiclassical Virasoro symmetry of the quantum gravity S \mathcal{S}-matrix

Jun 12, 2014
19 pages
Published in:
  • JHEP 08 (2014) 058
  • Published: 2014
e-Print:

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Abstract: (Springer)
It is shown that the tree-level S \mathcal{S} -matrix for quantum gravity in four-dimensional Minkowski space has a Virasoro symmetry which acts on the conformal sphere at null infinity.
Note:
  • 22 pages, 1 figure
  • Gauge Symmetry
  • Classical Theories of Gravity
  • Space-Time Symmetries
  • symmetry: Virasoro
  • space: Minkowski
  • quantum gravity
  • S-matrix
  • tree approximation
  • semiclassical
  • conformal