期刊
ANNALS OF PHYSICS
卷 382, 期 -, 页码 136-142出版社
ACADEMIC PRESS INC ELSEVIER SCIENCE
DOI: 10.1016/j.aop.2017.05.001
关键词
Solar system experiments; Gravitation; Light propagation; Relativistic process; Astrometry
资金
- National Natural Science Foundation of China [11473072, 11533004]
With the purpose of deeply understanding the fundamental interaction between the electromagnetic and gravitational fields, photons coupled to the Weyl tensor was proposed, which could be derived from the Maxwell equation with a Weyl correction. This correction with respect to general relativity in a 4-dimensional spacetime can be characterized by a coupling strength parameter a. By taking such a coupling into account, we investigate its effects on the classical tests in the Solar System, including the deflection of light, the gravitational time delay and the Cassini tracking experiment, and constrain the parameter a with new datasets. None of these works were done before and these data of the experiments are used for testing the photons coupled to the Weyl tensor for the first time. We find that the experimental upper bounds are vertical bar alpha vertical bar less than or similar to 4 x 10(11) - 5 x 10(13) m(2), in which the strongest bound comes from the Cassini tracking. Therefore, it is expected that when more sophisticated frequency standards can be implemented in the
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