3 citations · 5 across the 3 of their papers we have counts for
3 papers
Defocusing gravitational microlensing
Salvatore Capozziello, Ruggiero de Ritis, Vladimir Mank'o +2
We introduce the notion of defocusing gravitational lens considering a MACHO located behind a light source with respect to an observer. The consequence of defocusing effect is a te…
Luminosity variation in (de)focusing microlensing
Salvatore Capozziello, Ruggiero de Ritis, Vladimir Mank'o +2
The luminosity variation of a stellar source due to the gravitational microlensing effect can be considered also if the light rays are defocused (instead of focused) toward the obs…
Gravitational Waveguides in Cosmology
Salvatore Capozziello, Ruggiero de Ritis, Vladimir Mank'o +2
We discuss the possibility that, besides the usual gravitational lensing, there may exist a sort of gravitational waveguiding in cosmology which could explain some anomalous phenom…