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hep-th2025
Geometric Building Blocks of Effective Field Theory Amplitudes
Timothy Cohen, Xu-Xiang Li, Zhengkang Zhang
On-shell amplitudes are invariant under field redefinitions. Nonderivative field redefinitions have a natural interpretation as coordinate transformations on the target manifold. G…
hep-ph2025★ 1 cited
An Effective Sphaleron Awakens
Xu-Xiang Li, Michael J. Ramsey-Musolf, Tuomas V. I. Tenkanen +1
Using thermal effective field theory, we present a self-consistent perturbative formulation of the Higgs phase sphaleron rate after a radiatively-induced first-order phase transiti…