V. B. Johri, S. K. Srivastava, "On the existence of tachyons in a bradyon-dominated universe", International Journal of Mathematics and Mathematical Sciences, vol. 8, Article ID 726456, 8 pages, 1985. https://doi.org/10.1155/S0161171285000400
On the existence of tachyons in a bradyon-dominated universe
In the present paper, the question has been raised as to whether tachyons exist in our universe. The gravitational interaction of tachyons with bradyons is discussed by employing the method of geodesic deviation of a tachyon-trajectory from a bradyon-trajectory. It is noted that in certain cases, tachyons are attracted by bradyons, but in most cases they are repelled from bradyons. It is speculated that, due to their superluminal speed as well as gravitational repulsion, free tachyons would have fled out of this universe and inhabited a Meta-Universe.
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