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Test-particle dynamics in general spherically symmetric black hole spacetimes
Mariafelicia De Laurentis, Ziri Younsi, Oliver Porth +2
To date, the most precise tests of general relativity have been achieved through pulsar timing, albeit in the weak-field regime. Since pulsars are some of the most precise and stab…
On the universality of MOG weak field approximation at galaxy cluster scale
Ivan De Martino, Mariafelicia De Laurentis
In its weak field limit, Scalar-tensor-vector gravity theory introduces a Yukawa-correction to the gravitational potential. Such a correction depends on the two parameters, whi…
Radiation from charged particles due to explicit symmetry breaking in a gravitational field
Fabrizio Tamburini, Mariafelicia De Laurentis, Ignazio Licata
The paradox of a free falling radiating charged particle in a gravitational field, is a well-known fascinating conceptual challenge that involves classical electrodynamics and gene…
The evolution of gravitons in accelerating cosmologies: the case of extended gravity
Salvatore Capozziello, Mariafelicia De Laurentis, Shin'ichi Nojiri +1
We discuss the production and evolution of cosmological gravitons showing how the cosmological background affects their dynamics. Besides, the detection of cosmological gravitons c…