194 citations · 3.1k across the 104 of their papers we have counts for
108 papers
Exploring multi-parameter optimization in FRG
A. Codello, G. P. Vacca, D. Zarrilli
The use of nonperturbative Wilsonian functional renormalization group (FRG) equations within an unavoidable approximation scheme produces physical results that depend on the choice…
Proper-time functional renormalization in scalar models coupled to gravity
Alfio M. Bonanno, Emiliano M. Glaviano, Gian Paolo Vacca
We focus on the use of the functional Wilsonian renormalization group framework characterized by a proper time regulator and test its use in the search of the scaling solutions and…
The Starobinsky model of inflation and Renormalizability
Roberto Percacci, Gian Paolo Vacca
The Starobinsky model was born in a cosmological scenario where conformally coupled matter quantum field fluctuations on the vacuum drive a non trivial semiclassical energy momentu…
Substructures of the Weyl group and their physical applications
Riccardo Martini, Gregorio Paci, Dario Sauro +2
We study substructures of the Weyl group of conformal transformations of the metric of (pseudo)Riemannian manifolds. These substructures are identified by differential constraints…
Emergent symmetries at criticality in multi field RFT/DP
Jochen Bartels, Carlos Contreras, Gian Paolo Vacca
We study multifield extensions of Reggeon Field Theory (also equivalent to Directed Percolation model) at criticality in the perturbative epsilon-expansion below the upper critical…
Perturbative approaches to non-perturbative quantum gravity
Riccardo Martini, Gian Paolo Vacca, Omar Zanusso
We discuss the birth of the non-perturbative approach to quantum gravity known as quantum Einstein gravity, in which the gravitational interactions are conjectured to be asymptotic…