18 citations · 35 across the 24 of their papers we have counts for
25 papers
Topological Axi-Higgs Dynamics in Anomalous Portals
Claudio Corianò, Stefano Lionetti
We develop an effective axi-Higgs model with one Standard Model Higgs doublet, one charged hidden Higgs and an anomalous Abelian vector portal. Extending previous Higgs--Stueckelbe…
From chiral to conformal anomalies: a double copy perspective for CFT correlators
Claudio Corianò, Stefano Lionetti
We uncover a double-copy relation between chiral and conformal anomalies in four-dimensional conformal field theory. We show that this relation extends from local anomaly structure…
Anomaly-mediated Scalar Gravitational Interactions and the Coupling of Conformal Sectors
Claudio Corianò, Stefano Lionetti, Dario Melle +1
We investigate the anomaly-induced activation of a gauge-invariant scalar degree of freedom in General Relativity, the conformalon mode, directly at the level of \(2\to2\) scatteri…
Dilaton Sum Rules of Gravitational Form Factors in QCD at Order
Claudio Corianò, Stefano Lionetti, Dario Melle +1
We formulate a partonic description of hadronic gravitational form factors within QCD, focusing on the three-point function of the energy-momentum tensor and two gluon currents. De…
Anomalies and Parity-Violating Interactions: From Conformal to Thermal Field Theory
Stefano Lionetti
Chiral and conformal anomalies are fundamental phenomena that span multiple disciplines, including high-energy physics, condensed matter theory and cosmology. These anomalies play…
Gravitational Form Factors and the QCD Dilaton at Large Momentum Transfer
Claudio Corianò, Stefano Lionetti, Dario Melle +2
We investigate the hard scatterings of hadronic matrix elements corresponding to hadronic gravitational form factors (GFFs) of the pion and proton using QCD factorization, applying…
A Dilaton Sum Rule for the Conformal Anomaly Form Factor in QCD at Order
Claudio Corianò, Stefano Lionetti, Dario Melle +1
We present an off-shell dispersive analysis of the graviton-gluon-gluon () vertex, extending previous investigations carried out in both QED and QCD. Within the framework of a…
Topological Sum Rules and Spectral Flows of Chiral and Gravitational Axion-like Interactions
Claudio Corianò, Stefano Lionetti, Dario Melle
We examine the structure of off-shell effective actions arising from chiral and gravitational anomalies, focusing on the (axial-vector/vector/vector) and (axial-v…
The Gravitational Form Factor of the Pion and Proton and the Conformal Anomaly
Claudio Corianò, Stefano Lionetti, Dario Melle +1
We analyze the hard scattering amplitude of gravitational form factors (GFFs) of hadrons within QCD factorization at large momentum transfers, focusing on their conformal field the…
Conformal Backreaction, Chiral and Conformal Anomalies in the Early Universe
Claudio Corianò, Stefano Lionetti, Dario Melle +2
The backreaction of a conformal matter sector and its associated conformal anomaly on gravity can be systematically studied using the formalism of the anomaly effective action. Thi…
Quantum Anomalies and Parity-odd CFT Correlators for Chiral States of Matter
Claudio Corianó, Stefano Lionetti
Chiral currents influence the parity-odd sector of CFT correlators in momentum space, playing a crucial role in the evolution of the quark-gluon plasma in the early universe. We de…
The Gravitational Form Factors of Hadrons from CFT in Momentum Space and the Dilaton in Perturbative QCD
Claudio Corianò, Stefano Lionetti, Dario Melle +1
We analyze the hard scattering amplitude of the gravitational form factors (GFFs) of hadrons at one-loop, in relation to their conformal field theory (CFT) description, within the…
CFT Constraints on Parity-odd Interactions with Axions and Dilatons
Claudio Corianó, Stefano Lionetti
We illustrate how the conformal Ward identities (CWIs) in momentum space completely determine the structure of a parity-odd 3-point correlator involving currents, energy momentum t…
Nonlocal Gravity, Dark Energy and Conformal Symmetry: Testing the Hierarchies of Anomaly-Induced Actions
Claudio Corianò, Stefano Lionetti, Matteo Maria Maglio +1
Conformal back-reaction generates cosmological models where the trace anomaly reflects the breaking of Weyl invariance. Analyzing these actions yields a dynamic approach to dark en…
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…
Axion-like Interactions and CFT in Topological Matter, Anomaly Sum Rules and the Faraday Effect
Claudio Corianò, Mario Cretì, Stefano Lionetti +2
We discuss fundamental aspects of chiral anomaly-driven interactions in conformal field theory (CFT) in four spacetime dimensions. They find application in very general contexts, f…
Axion-like Quasiparticles and Topological States of Matter: Finite Density Corrections of the Chiral Anomaly Vertex
Claudio Corianò, Mario Cretì, Stefano Lionetti +1
We investigate the general structure of the chiral anomaly and vertices, in the presence of chemical potentials in perturbation theory. The study finds appli…
Parity-Violating CFT and the Gravitational Chiral Anomaly
Claudio Corianò, Stefano Lionetti, Matteo Maria Maglio
We illustrate how the Conformal Ward Identities (CWI) and the gravitational chiral anomaly completely determine the structure of the (graviton-graviton-chi…
CFT Correlators and CP-Violating Trace Anomalies
Claudio Corianò, Stefano Lionetti, Matteo Maria Maglio
We analyze the parity-odd correlators , , and in momentum space, constrain…
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…
Parity-Odd 3-Point Functions from CFT in Momentum Space and the Chiral Anomaly
Claudio Corianò, Stefano Lionetti, Matteo Maria Maglio
We illustrate how the Conformal Ward Identities (CWI) in momentum space for parity-odd correlators determine the structure of a chiral anomaly interaction, taking the example of th…
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…
Asymptotic symmetries and soft theorems in higher-dimensional gravity
Stefano Lionetti
Soft theorems can be recast as Ward identities of asymptotic symmetries. We review such relation for the leading and subleading soft graviton theorems in arbitrary even dimensions.…
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…