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w_{1+∞} Algebra and the Celestial Sphere: Infinite Towers of Soft Graviton, Photon, and Gluon Symmetries.

Physical review letters

Strominger A, Halverson ER, Gibbons D.
PMID: 34889625
Phys Rev Lett. 2021 Nov 24;127(22):221601. doi: 10.1103/PhysRevLett.127.221601.

It is shown that the infinite tower of tree-level plus-helicity soft graviton symmetries in asymptotically flat 4D quantum gravity can be organized into a single chiral 2D Kac-Moody symmetry based on the wedge algebra of w_{1+∞}, which naturally acts...

Showing 73 to 73 of 73 entries