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hep-th2026
Bounds on scattering amplitudes of non-identical scalar particles in 4d
Gabriele Ferretti, Denis Karateev, Alessandro Piazza +1
We initiate the study of two-to-two scattering amplitudes involving two distinct scalar particles in spacetime dimensions using the primal S-matrix bootstrap. We impose a $…
hep-th2026
Perturbative, Nonperturbative and Exact Aspects of Crystalline Phases in the Gross-Neveu Model
Francesco Benini, Ohad Mamroud, Tomas Reis +1
We study the crystalline phase of the Gross--Neveu model with a chemical potential for of the fermions. We analyze the problem in three independent ways: using…