A uniform treatment of the orbital effects due to a violation of the strong equivalence principle in the gravitational Stark-like limit
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Publication:4915560
DOI10.1088/0264-9381/30/2/025006zbMATH Open1263.83036arXiv1207.0716OpenAlexW3104962029MaRDI QIDQ4915560
Author name not available (Why is that?)
Publication date: 11 April 2013
Published in: (Search for Journal in Brave)
Abstract: We analytically work out several effects which a violation of the Strong Equivalence Principle (SEP) induces on the orbital motion of a binary system constituted of self-gravitating bodies immersed in a constant and uniform external field. We do not restrict to the small eccentricity limit. Moreover, we do not select any specific spatial orientation of the external polarizing field. We explicitly calculate the SEP-induced mean rates of change of all the osculating Keplerian orbital elements of the binary, the perturbation of the projection of the binary orbit onto the line-of-sight, the shift of the radial velocity, and the range and range-rate signatures and as well. We find that the ratio of the SEP precessions of the node and the inclination of the binary depends only on and the pericenter of the binary itself, being independent on both the magnitude and the orientation of the polarizing field, and on the semimajor axis, the eccentricity and the node of the binary. Our results, which do not depend on any particular SEP-violating theoretical scheme, can be applied to quite general astronomical and astrophysical scenarios. They can be used to better interpret present and future SEP experiments, especially when several theoretical SEP mechanisms may be involved, and to suitably design new dedicated tests.
Full work available at URL: https://arxiv.org/abs/1207.0716
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