QED trace anomaly, non-local Lagrangians and quantum equivalence principle violations
Crossref DOI link: https://doi.org/10.1007/JHEP05(2015)118
Published Online: 2015-05-25
Published Print: 2015-05
Update policy: https://doi.org/10.1007/springer_crossmark_policy
Donoghue, John F.
El-Menoufi, Basem Kamal