Astronomy and Astrophysics – Astrophysics
Scientific paper
Nov 1999
adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1999aipc..493..267s&link_type=abstract
Eighth Canadian conference on general relativity and relativistic astrophysics. AIP Conference Proceedings, Volume 493, pp. 267
Astronomy and Astrophysics
Astrophysics
Gravity In More Than Four Dimensions, Kaluza-Klein Theory, Unified Field Theories, Alternative Theories Of Gravity
Scientific paper
We show that the assumption of 5D null particle trajectories in five-dimensional Kaluza-Klein gravity can correspond to either four-dimensional massive or null trajectories when the parameterization is chosen properly. We retain the extra-coordinate dependence in the metric and show the possibility of a cosmological variation in the rest masses of particles, and a consequent departure from 4D geodesic motion by a fifth force.
Sajko William Nicholas
Wesson Paul S.
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