Abstract
We construct a consistent model of gravity where the tensor graviton mode is massive, while linearized equations for scalar and vector metric perturbations are not modified. The Friedmann equation acquires an extra dark-energy component leading to accelerated expansion. The mass of the graviton can be as large as ∼(1015cm)-1, being constrained by the pulsar timing measurements. We argue that nonrelativistic gravitational waves can comprise the cold dark matter and may be detected by the future gravitational wave searches.
Original language | English (US) |
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Article number | 181102 |
Journal | Physical Review Letters |
Volume | 94 |
Issue number | 18 |
DOIs | |
State | Published - May 13 2005 |
ASJC Scopus subject areas
- General Physics and Astronomy