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Title: Testing General Relativity with Present and Future Astrophysical Observations
Author: Berti, Emanuele
Barausse, Enrico
Cardoso, Vitor
Gualtieri, Leonardo
Pani, Paolo
Sperhake, Ulrich
Stein, Leo C.
Wex, Norbert
Yagi, Kent
Baker, Tessa
Burgess, C. P.
Coelho, Flávio S.
Doneva, Daniela
De Felice, Antonio
Ferreira, Pedro G.
Freire, Paulo C. C.
Healy, James
Herdeiro, Carlos
Horbatsch, Michael
Kleihaus, Burkhard
Klein, Antoine
Kokkotas, Kostas
Kunz, Jutta
Laguna, Pablo
Lang, Ryan N.
Li, Tjonnie G. F.
Littenberg, Tyson
Matas, Andrew
Mirshekari, Saeed
Okawa, Hirotada
Radu, Eugen
O'Shaughnessy, Richard
Sathyaprakash, Bangalore S.
Van Den Broeck, Chris
Winther, Hans A.
Witek, Helvi
Aghili, Mir Emad
Alsing, Justin
Bolen, Brett
Bombelli, Luca
Caudill, Sarah
Chen, Liang
Degollado, Juan Carlos
Fujita, Ryuichi
Gao, Caixia
Gerosa, Davide
Kamali, Saeed
Silva, Hector O.
Rosa, João G.
Sadeghian, Laleh
Sampaio, Marco
Sotani, Hajime
Zilhão, Miguel
Keywords: General Relativity
Issue Date: 1-Dec-2015
Publisher: IOP Publishing
Abstract: One century after its formulation, Einstein's general relativity (GR) has made remarkable predictions and turned out to be compatible with all experimental tests. Most of these tests probe the theory in the weak-field regime, and there are theoretical and experimental reasons to believe that GR should be modified when gravitational fields are strong and spacetime curvature is large. The best astrophysical laboratories to probe strong-field gravity are black holes and neutron stars, whether isolated or in binary systems. We review the motivations to consider extensions of GR. We present a (necessarily incomplete) catalog of modified theories of gravity for which strong-field predictions have been computed and contrasted to Einstein's theory, and we summarize our current understanding of the structure and dynamics of compact objects in these theories. We discuss current bounds on modified gravity from binary pulsar and cosmological observations, and we highlight the potential of future gravitational wave measurements to inform us on the behavior of gravity in the strong-field regime.
Peer review: yes
DOI: 10.1088/0264-9381/32/24/243001
ISSN: 0264-9381
Appears in Collections:CIDMA - Artigos
CIDMA - Artigos
GGDG - Artigos

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