Orfeu Bertolami
Orfeu Bertolami is a theoretical physicist who works in problems of astrophysics, cosmology, general relativity and quantum gravity. He worked at Instituto Superior Técnico in Lisbon, Portugal from 1991 to 2010. He is currently professor at Departamento de Física e Astronomia of the Faculdade de Ciências da Universidade do Porto.
He is the author of a book to raise the awareness of the public on science about the history of ideas in astronomy, cosmology and theories of gravity and of a technical text on the aspects of gravity and propulsion in space published by the European Space Agency:
In particular, Bertolami studied , the and its connection with the , the of unification of Dark Energy and Dark Matter and some Modified models of gravity with . He has also worked on the Pioneer Anomaly, which was shown to be most likely due to
and . Most recent work concerns .