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hep-th2025
Schwinger-Keldysh effective theory of charge transport: redundancies and systematic expansion
Eren Firat, Andrew Gomes, Filippo Nardi +2
We study Schwinger-Keldysh effective field theories (EFTs) for systems with non-Abelian internal symmetries near thermal equilibrium. We consider two approaches that were put forwa…
hep-th2025
Geometry of soft scalars at one loop
Timothy Cohen, Ipak Fadakar, Andreas Helset +1
We extend the soft theorems for scattering amplitudes of scalar effective field theories to one-loop order. Our analysis requires carefully accounting for the fact that the soft li…