389 citations · 1.7k across the 104 of their papers we have counts for
10 papers · 2 filters
The Immirzi parameter from an external scalar field
Francesco Cianfrani, Giovanni Montani
We promote the Immirzi parameter to be a minimally coupled scalar field and we analyzed the Hamiltonian constraints in the framework of Loop Quantum Gravity without the time gauge.…
Recent developments on matter dynamics within the Kaluza-Klein picture
Valentino Lacquaniti, Giovanni Montani
In this paper we propose a new approach to matter dynamics in compactified Kaluza-Klein theories. We discard the idea that the motion is geodesic and perform a simultaneous reducti…
Fluid Entropy as Time-Variable in Canonical Quantum Gravity
Francesco Cianfrani, Giovanni Montani, Simone Zonetti
The Brown-Kuchař mechanism is applied in the case of General Relativity coupled with the Schutz' model for a perfect fluid. Using the canonical formalism and manipulating the set o…
Review on Extended Approaches in the Kaluza-Klein Model
Francesco Cianfrani, Giovanni Montani
A review of the Kaluza-Klein formulation is provided, with a particular emphasis on the geometrization issue. The failure at reproducing quantum numbers of particles and the appear…
The Role of Time Gauge in Quantizing Gravity
Francesco Cianfrani, Giovanni Montani
We present the Hamiltonian formulation of General Relativity with the Holst formulation in a generic local Lorentz frame. In particular, we outline that a Gauss constraint is infer…
Perspectives in Cosmology, Gravitation and Multidimensions
Giovanni Montani, Nakia Carlevaro, Francesco Cianfrani +1
Recent developments from the activity of the CGM Group are discussed. Cosmological implications of fundamental approaches to quantization of gravity are presented in order to fix t…