235 citations · 235 across the 3 of their papers we have counts for
3 papers
hep-th2024
Light-ray sum rules and the c-anomaly
Thomas Hartman, Grégoire Mathys
In a four-dimensional quantum field theory that flows between two fixed points under the renormalization group, the change in the conformal anomaly has been related to the ave…
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-th2015★ 235 cited
Causality Constraints in Conformal Field Theory
Thomas Hartman, Sachin Jain, Sandipan Kundu
Causality places nontrivial constraints on QFT in Lorentzian signature, for example fixing the signs of certain terms in the low energy Lagrangian. In d-dimensional conformal field…