effective field theory 1maximal supersymmetry 1positivity constraints 1scattering amplitudes 1string theory 1supergravity 1
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hep-th2025
Splitting Regions and Shrinking Islands from Higher Point Constraints
Justin Berman, Henriette Elvang, Carolina Figueiredo
We study constraints from higher-point amplitudes on scattering in the context of effective field theory (EFT) using the perturbative numerical S-matrix bootstrap. Specif…
hep-th2025
Analytic bootstrap bounds on masses and spins in gravitational and non-gravitational scalar theories
Justin Berman, Nicholas Geiser
We derive analytic constraints on the weakly-coupled spectrum of theories with a massless scalar under the standard assumptions of the S-matrix bootstrap program. These bootstrap b…