effective field theory 1maximal supersymmetry 1positivity constraints 1scattering amplitudes 1string theory 1supergravity 1
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hep-th2024
Bootstrapping Extremal Scalar Amplitudes With and Without Supersymmetry
Justin Berman, Henriette Elvang, Nicholas Geiser +1
We re-examine positivity bounds on the scattering of identical massless real scalars with a novel perspective on how these bounds can be used to constrain the spectrum of U…
hep-th2024
Analytic Bounds on the Spectrum of Crossing Symmetric S-Matrices
Justin Berman
We derive two rigorous constraints on the spectrum of massive states in weakly coupled theories with massless scalars in the adjoint representation of a large- gauge group. Firs…
hep-th2024
Corners and Islands in the S-matrix Bootstrap of the Open Superstring
Justin Berman, Henriette Elvang
We bootstrap the Veneziano superstring amplitude in 10 dimensions from the bottom-up. Starting with the most general maximally supersymmetric Yang-Mills EFT, we input information a…