Conformal invariance of the subleading soft theorem in gauge theory
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In this note, I show that the recently proposed subleading soft factor in massless gauge theory uniquely follows from conformal symmetry of tree-level gauge theory amplitudes in four dimensions.
DepartmentMassachusetts Institute of Technology. Center for Theoretical Physics; Massachusetts Institute of Technology. Laboratory for Nuclear Science
Physical Review D
American Physical Society
Larkoski, Andrew J. "Conformal invariance of the subleading soft theorem in gauge theory." Phys. Rev. D 90, 087701 (October 2014). © 2014 American Physical Society
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