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Gravitational light deflection, time delay and frequency shift in Einstein-Aether theory

Published online by Cambridge University Press:  06 January 2010

Kai Tang ,
Tian-Yi Huang  and
Zheng-Hong Tang
Kai Tang
Affiliation:
Shanghai Astronomical Observatory, Chinese Academy of Sciences; tangkai@shao.ac.cn; zhtang@shao.ac.cn Graduate School of Chinese Academy of Sciences
Tian-Yi Huang
Affiliation:
Department of Astronomy, Nanjing University; tyhuang@nju.edu.cn
Zheng-Hong Tang
Affiliation:
Shanghai Astronomical Observatory, Chinese Academy of Sciences; tangkai@shao.ac.cn; zhtang@shao.ac.cn
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Abstract

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Einstein-Aether gravity theory has been proven successful in passing experiments of different scales. Especially its Eddington parameters β and γ have the same numerical values as those in general relativity. Recently Xie and Huang (2008) have advanced this theory to a second post-Newtonian approximation for an N-body model and obtained an explicit metric when the bodies are point-like masses. This research considers light propagation in the above gravitational field, and explores the light deflection, time delay, frequency shift etc. The results will provide for future experiments in testing gravity theories.

Keywords

Einstein-Aetherlight deflectiontime delayfrequency shift
Type
Contributed Papers
Information
Proceedings of the International Astronomical Union , Volume 5 , Symposium S261: Relativity in Fundamental Astronomy: Dynamics, Reference Frames, and Data Analysis , April 2009 , pp. 140 - 143
Copyright
Copyright © International Astronomical Union 2010

References

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