424 citations
- Sapienza University of RomeIT231 papers
- Istituto Nazionale di Fisica Nucleare, Laboratori Nazionali di FrascatiIT212 papers
- Centre National de la Recherche ScientifiqueFR192 papers
- Commissariat à l'Énergie Atomique et aux Énergies AlternativesFR188 papers
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4 papers · 2 filters
Dimensional Reduction of the 5D Kaluza-Klein Geodesic Deviation Equation
V. Lacquaniti, G. Montani, F. Vietri
In the work of Kerner et al. (2001) the problem of the geodesic deviation in a 5D Kaluza Klein background is faced. The 4D space-time projection of the resulting equation coincides…
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.…
Semiclassical suppression of weak anisotropies of a generic Universe
Marco Valerio Battisti, Riccardo Belvedere, Giovanni Montani
A semiclassical mechanism which suppresses the weak anisotropies of an inhomogeneous cosmological model is developed. In particular, a wave function of this Universe having a meani…
Dynamics of Matter in a Compactified Kaluza-Klein Model
Valentino Lacquaniti, Giovanni Montani
A longstanding problem in Kaluza-Klein models is the description of matter dynamics. Within the 5D model, the dimensional reduction of the geodesic motion for a 5D free test partic…