Speaker
Matteo Luca Ruggiero
Description
The observation of flatness of rotation curves is one element supporting the existence of dark matter, since their behaviour cannot be explained in terms of Newtonian gravity. Far from the galactic center, the gravitational field is supposed to be weak enough so we expect to be able to use Newtonian Gravity; however, even in the weak-field approximation, there are general relativistic effects without a Newtonian counterpart, such as the gravitomagnetic effects originating from mass currents. We suggest the surprising result that gravitomagnetic effects may have a relevant role in better understanding the impact of Dark Matter on galactic dynamics.
Faculty position
Assistant Professor, Dipartimento di Matematica, Università di Torino
| Topic Field | Gravity |
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Primary authors
Dr
Davide Astesiano
(University of Iceland)
Matteo Luca Ruggiero
