Papers › On-shell Bootstrap for n-gluons and gravitons scattering in (A)dS, Unitarity and Soft limit
On-shell Bootstrap for n-gluons and gravitons scattering in (A)dS, Unitarity and Soft limit
Jiajie Mei, Yuyu Mo
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We propose an algorithm to recursively bootstrap n-point gluon and graviton Mellin-Momentum amplitudes in (A)dS spacetime using only three-point amplitude. We discover that gluon amplitudes are simply determined by factorization for n≥5. The same principle applies to n-point graviton amplitudes, but additional constraints such as flat space and soft limits are needed to fix contact terms. Furthermore, we establish a mapping from n-point Mellin-Momentum amplitudes to n-point cosmological correlators. We efficiently compute explicit examples up to five points. This leads to the first five-graviton amplitude in AdS_(d+1).
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