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Open AccessArticle

Nonlocal Gravitomagnetism

1
Department of Physics and Astronomy, University of Missouri, Columbia, MO 65211, USA
2
School of Astronomy, Institute for Research in Fundamental Sciences (IPM), P.O. Box 19395-5531, Tehran, Iran
3
Institute for Theoretical Physics, University of Cologne, 50923 Köln, Germany
*
Author to whom correspondence should be addressed.
Universe 2019, 5(9), 195; https://doi.org/10.3390/universe5090195
Received: 12 August 2019 / Revised: 2 September 2019 / Accepted: 4 September 2019 / Published: 5 September 2019
(This article belongs to the Special Issue Rotation Effects in Relativity)
We briefly review the current status of nonlocal gravity (NLG), which is a classical nonlocal generalization of Einstein’s theory of gravitation based on a certain analogy with the nonlocal electrodynamics of media. Nonlocal gravity thus involves integro-differential field equations and a causal constitutive kernel that should ultimately be determined from observational data. We consider the stationary gravitational field of an isolated rotating astronomical source in the linear approximation of nonlocal gravity. In this weak-field and slow-motion approximation of NLG, we describe the gravitomagnetic field associated with the rotating source and compare our results with gravitoelectromagnetism (GEM) of the standard general relativity theory. Moreover, we briefly study the energy-momentum content of the GEM field in nonlocal gravity. View Full-Text
Keywords: Nonlocal gravity (NLG); gravitoelectromagnetism (GEM) Nonlocal gravity (NLG); gravitoelectromagnetism (GEM)
MDPI and ACS Style

Mashhoon, B.; Hehl, F.W. Nonlocal Gravitomagnetism. Universe 2019, 5, 195.

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