Redshift and Deflection of Photons by Gravitation: A Comparison of Relativistic and Newtonian Treatments
Journal Article
·
· American Journal of Physics (U.S.)
Gravitational redshift of photons from a star and gravitational bending of the path of photons grazing the sun can be derived by using only Newton's laws and the idea of a photon as a particle of mass hv/c2. The difference between the relativistic and Newtonian equations for gravitational redshift is too small to be detected and, therefore, gravitational redshift does not provide experimental verification of the general theory of relativity. On the other hand, a Newtonian treatment of gravitational bending of the path of photons gives only half the true amount of total deflection derived by Einstein in 1915 using general relativity. The case of gravitational bending is treated in some detail.
- Research Organization:
- City Univ. of New York, New York
- NSA Number:
- NSA-18-014705
- OSTI ID:
- 4083273
- Journal Information:
- American Journal of Physics (U.S.), Journal Name: American Journal of Physics (U.S.) Vol. Vol: 32; ISSN AJPIA
- Country of Publication:
- Country unknown/Code not available
- Language:
- English
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