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The Gravitational Chiral Anomaly at Finite Temperature and Density
Claudio Corianò, Mario Cretì, Stefano Lionetti +1
We investigate the gravitational anomaly vertex (graviton - graviton - axial current) under conditions of finite density and temperature. Through a direct an…
Einstein Gauss-Bonnet Gravity without a Dilaton
Claudio Corianò, Mario Cretì, Stefano Lionetti +2
A nonlocal version of Einstein-Gauss Bonnet (EGB) gravity can be generated by a procedure that follows closely the steps of the derivation of the conformal anomaly effective action…
Three-Wave and Four-Wave Interactions in the Einstein Gauss-Bonnet (EGB) and Lovelock Theories
Claudio Corianò, Mario Cretì, Stefano Lionetti +1
We derive the conformal constraints satisfied by classical vertices of a (Einstein) Gauss-Bonnet theory around flat space, in general dimensions and at (4d EGB). In EGB…
Broken Scale Invariance and the Regularization of a Conformal Sector in Gravity with Wess-Zumino actions
Claudio Corianò, Mario Cretì, Matteo Maria Maglio
We elaborate on anomaly induced actions of the Wess-Zumino (WZ) form and their relation to the renormalized effective action, which is defined by an ordinary path integral over a c…
Quantum Field Theory and its Anomalies for Topological Matter
Claudio Corianò, Mario Cretì, Stefania D'Agostino
Topology enters in quantum field theory (qft) in multiple forms: one of the most important, in non-abelian gauge theories, being in the identification of the vacuum in QCD. A v…
Dimensional Regularization of Topological Terms in Dilaton Gravity
Claudio Corianò, Mario Cretì, Stefano Lionetti +2
The possibility of evading Lovelock's theorem at , via a singular redefinition of the dimensionless coupling of the Gauss-Bonnet term, has been extensively discussed in the co…