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SUMMARY:A $d$ dimensional stress tensor for $d+2$ dimensional gravity - Pr
 ahar Mitra (DAMTP)
DTSTART:20201106T130000Z
DTEND:20201106T140000Z
UID:TALK153175@talks.cam.ac.uk
CONTACT:Justin Ripley
DESCRIPTION:We consider scattering of gravitons in $d+2$ dimensional asymp
 totically flat spacetimes. The $S$-matrix elements are recast correlation 
 functions in a putative $d$ dimensional theory with conformal invariance. 
 The subleading soft graviton theorem is  shown to imply the existence of a
  $d$ dimensional boundary stress tensor (which satisfies the Ward identiti
 es of a CFT). Similarly\, the leading soft-photon theorem is shown to impl
 y the existence of a conserved current.
LOCATION:Zoom
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