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Chin. Phys., 2004, Vol. 13(5): 612-617    DOI: 10.1088/1009-1963/13/5/009
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Newtonian forms for the motion of particles and photons in dilaton spacetime

Yang Rong-Jia, Jing Ji-Liang
Institute of Physics and Department of Physics, Hunan Normal University, Changsha 410081, China
Abstract  Using Newtonian forms for equations of motion, we consider the motion of particles and photons in the dilaton spacetime. Some classical gravitational effects, such as the bending of light rays, the perihelion advance of a planet, the delay of radar echo, and the gravitational redshifts, have been investigated. The results show that the gravitational effects arising from the dilaton can be observed provided that the dilaton is large enough.
Keywords:  Newtonian forms      effective index of gravitation      dilaton spacetime  
Received:  19 March 2003      Revised:  31 October 2003      Published:  06 July 2005
PACS:  04.20.Gz (Spacetime topology, causal structure, spinor structure)  
  95.30.Sf (Relativity and gravitation)  
Fund: Project supported by the National Natural Science Foundation of China (Grant No 10275024).

Cite this article: 

Yang Rong-Jia, Jing Ji-Liang Newtonian forms for the motion of particles and photons in dilaton spacetime 2004 Chin. Phys. 13 612

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