2 papers
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
On Entropy Bounds for Irrelevant Operators
Lucas Fernández-Sarmiento, Riccardo Penco, Rachel A Rosen
Consistency constraints for low-energy theories, especially those lacking Lorentz invariance, have recently garnered attention. Building on results from black hole thermodynamics,…