TL;DR
This paper explores the theoretical behavior of tachyons within General Relativity, analyzing their gravitational effects and potential role in explaining dark matter and dark energy in cosmology.
Contribution
It introduces a detailed analysis of tachyon motion and gravitational influence in General Relativity, proposing their possible relevance to dark matter and dark energy.
Findings
Low energy tachyons significantly affect the energy-momentum tensor.
Gravitational fields of tachyons can form self-cohering bundles.
Tachyons might be relevant to dark matter and dark energy problems.
Abstract
We consider the motion of tachyons (faster-than-light particles) in the framework of General Relativity. An important feature is the large contribution of low energy tachyons to the energy-momentum tensor. We also calculate the gravitational field produced by tachyons in particular geometric arrangements; and it appears that there could be self-cohering bundles of such matter. This leads us to suggest that such theoretical ideas might be relevant to major problems (dark matter and dark energy) in current cosmological models.
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