Decoherence of Gravitational Wave Oscillations in Bigravity
arXiv:1712.06601 · doi:10.1103/PhysRevD.97.064009
Abstract
Following up on our recent study, we consider the regime of graviton masses and gravitational wave propagation distances at which decoherence of the wave packets plays a major role for phenomenology. This regime is of particular interest, as it can lead to very striking phenomena of echo events in the gravitational waves coming from coalescence events. The power of the experimental search in this case lies in the fact that it becomes sensitive to a large range of graviton masses, while not relying on a specific production mechanism. We are thus able to place new relevant limits on the parameter space of the graviton mixing angle.
7 pages, 2 figures; v2: extended discussion on the importance of the Vainshtein mechanism, content matches published version
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- Probing cosmological fields with gravitational wave oscillations
- Learning how to surf: Reconstructing the propagation and origin of gravitational waves with Gaussian Processes
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- Probing alternative cosmologies through the inverse distance ladder
- Gravitational wave oscillations in bimetric cosmology
- Exact ghost-free bigravitational waves
- Gravitational wave propagation beyond general relativity: waveform distortions and echoes
- Gravitational wave propagation in bigravity in the late universe