7 papers
Curvature and Torsion Quintessence
S. Capozziello, S. Carloni, G. Lambiase +2
The issues of quintessence and cosmic acceleration can be discussed in the framework of higher order curvature and torsion theories of gravity. We can define effective pressure and…
Neutrino Oscillations in Caianiello's Quantum Geometry Model
V. Bozza, S. Capozziello, G. Lambiase +1
Neutrino flavor oscillations are analyzed in the framework of Quantum Geometry model proposed by Caianiello. In particular, we analyze the consequences of the model for accelerated…
Supermassive boson stars: prospects for observational detection
Diego F. Torres, S. Capozziello, G. Lambiase
In a recent work (Torres, Capozziello and Lambiase, Physical Review D62, 104012 (2000)), it was shown that a supermassive boson star could provide an alternative model for the gala…
Probing the galactic center by gravitational lensing
S. Capozziello, G. Iovane, G. Lambiase +1
The nature of Galactic Center could be probed by lensing experiments capable of testing the spatial and velocity distributions of stars nearby and beyond it. Several hypotheses are…
Newtonian Limit of Induced Gravity
S. Calchi Novati, S. Capozziello, G. Lambiase
We discuss the weak-field limit of induced gravity and show that results directly depend on the coupling and self-interaction potential of the scalar field. A static spherically sy…
Double Scalar-Tensor Gravity Cosmologies
S. Capozziello, G. Lambiase
We investigate homogeneous and isotropic cosmological models in scalar-tensor theories of gravity where two scalar fields are nonminimally coupled to the geometry. Exact solutions…