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DTSTART:20151025T010000
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DTSTART;TZID=Europe/Rome:20151211T110000
DTEND;TZID=Europe/Rome:20151211T130000
DTSTAMP:20260831T133139
CREATED:20160110T185334Z
LAST-MODIFIED:20171026T123617Z
UID:1366-1449831600-1449838800@w3.lnf.infn.it
SUMMARY:Beyond Einstein’s Gravity: Dark Energy and Dark Matter as Curvature Effects
DESCRIPTION:Extended Gravity Theories have recently attracted a lot of interest as alternative candidates to explain the observed cosmic acceleration\, the flatness of the rotation curves of spiral galaxies\, the gravitational potential of galaxy clusters\, and other relevant astrophysical phenomena. Very likely\, what we call “dark matter” and “dark energy” are nothing else but signals of the breakdown of General Relativity at large scales and could be interpreted as a sort of “curvature effect”. Furthermore\, PPN-parameters deduced from Solar System experiments and strong field astrophysical phenomena (compact objects\, magnetars and neutron stars) do not exclude the possibility that such theories could give other observable effects. We review these results giving the basic ingredients of such an approach.
URL:/event/beyond-einsteins-gravity-dark-energy-and-dark-matter-as-curvature-effects/
LOCATION:Auditorium B. Touschek\, Via Enrico Fermi\, 54\, Frascati\, Roma\, 00044\, Italia
CATEGORIES:Seminari generali
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