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hep-th2023
Null energy constraints on two-dimensional RG flows
Thomas Hartman, Grégoire Mathys
We study applications of spectral positivity and the averaged null energy condition (ANEC) to renormalization group (RG) flows in two-dimensional quantum field theory. We find a su…
hep-th2023
Averaged Null Energy and the Renormalization Group
Thomas Hartman, Grégoire Mathys
We establish a connection between the averaged null energy condition (ANEC) and the monotonicity of the renormalization group, by studying the light-ray operator i…