Cosmological solutions with massive gravitons
Ali H. Chamseddine, Mikhail S. Volkov
TL;DR
This paper explores cosmological solutions in massive gravity theory using a tetrad formulation, showing that graviton mass acts like various matter sources influencing the universe's expansion.
Contribution
It introduces a tetrad-based approach to cosmological solutions in massive gravity, revealing the effective matter sources generated by graviton mass.
Findings
Graviton mass mimics different matter components in cosmology.
Solutions include closed, open, and flat universes.
Massive gravity effects can be interpreted as multiple matter types.
Abstract
We present solutions describing spatially closed, open, or flat cosmologies in the massive gravity theory within the recently proposed tetrad formulation. We find that the effect of the graviton mass is equivalent to introducing to the Einstein equations a matter source that can consist of several different matter types -- a cosmological term, quintessence, gas of cosmic strings, and non-relativistic cold matter.
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