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A shorter path to celestial currents
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DOI：10.1007/JHEP05(2023)190.png)
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Abstract
En 中文
Here we consider what happens when we lift a codimension-1 slice of the celestial sphere to a codimension-1 slice of the bulk spacetime in a manner that respects our ability to quotient by the null generators of I-+/- to get to our codimension-2 hologram. The contour integrals of the 2D currents for the celestial symmetries lift to boundary integrals of the standard 2-form generators for the gauge theory on this novel choice of surface and celestial Ward identities follow directly from Noether's theorem.
Keywords:
AdS-CFT Correspondence
Gauge Symmetry
Scattering Amplitudes
Journal
IF:
5.5
Papers:
3.9W
Citations:
13.7W