Vol. 11 (2008) > lrr-2008-9

doi: 10.12942/lrr-2008-9
Living Rev. Relativity 11 (2008), 9

Probes and Tests of Strong-Field Gravity with Observations in the Electromagnetic Spectrum

1 Physics and Astronomy Departments, University of Arizona, Tucson, AZ 85721, U.S.A.

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Article Abstract

Neutron stars and black holes are the astrophysical systems with the strongest gravitational fields in the universe. In this article, I review the prospect of using observations of such compact objects to probe some of the most intriguing general relativistic predictions in the strong-field regime: the absence of stable circular orbits near a compact object and the presence of event horizons around black-hole singularities. I discuss the need for a theoretical framework, within which future experiments will provide detailed, quantitative tests of gravity theories. Finally, I summarize the constraints imposed by current observations of neutron stars on potential deviations from general relativity.

Keywords: Neutron stars, Black holes, Tests of relativistic gravity

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Since a Living Reviews in Relativity article may evolve over time, please cite the access <date>, which uniquely identifies the version of the article you are referring to:

Dimitrios Psaltis,
"Probes and Tests of Strong-Field Gravity with Observations in the Electromagnetic Spectrum",
Living Rev. Relativity 11,  (2008),  9. URL (cited on <date>):
http://www.livingreviews.org/lrr-2008-9

Article History

ORIGINAL http://www.livingreviews.org/lrr-2008-9
Title Probes and Tests of Strong-Field Gravity with Observations in the Electromagnetic Spectrum
Author Dimitrios Psaltis
Date accepted 1 July 2008, published 18 November 2008
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