Propagation of Light in the Field of Stationary and Radiative Gravitational Multipoles

Extremely high precision of near-future radio/optical interferometric observatories like SKA, Gaia, SIM and the unparalleled sensitivity of LIGO/LISA gravitational-wave detectors demands more deep theoretical treatment of relativistic effects in the propagation of electromagnetic signals through var...

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Bibliographic Details
Published in:arXiv.org 2006-03
Main Authors: Kopeikin, Sergei, Korobkov, Pavel, Polnarev, Alexander
Format: Article
Language:English
Subjects:
Binary stars
Celestial bodies
Coalescing
Galaxies
Galaxy mergers & collisions
Gravitation theory
Gravitational fields
Gravitational waves
Mathematical analysis
Multipoles
Neutron stars
Observatories
Propagation
Relativistic effects
Relativistic theory
Relativity
Solar system
Time dependence
Wave propagation
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Summary:Extremely high precision of near-future radio/optical interferometric observatories like SKA, Gaia, SIM and the unparalleled sensitivity of LIGO/LISA gravitational-wave detectors demands more deep theoretical treatment of relativistic effects in the propagation of electromagnetic signals through variable gravitational fields of the solar system, oscillating and precessing neutron stars, coalescing binary systems, exploding supernova, and colliding galaxies. Especially important for future gravitational-wave observatories is the problem of propagation of light rays in the field of multipolar gravitational waves emitted by a localized source of gravitational radiation. Present paper suggests physically-adequate and consistent mathematical solution of this problem in the first post-Minkowskian approximation of General Relativity which accounts for all time-dependent multipole moments of an isolated astronomical system.
ISSN:2331-8422
DOI:10.48550/arxiv.0603064