Absorption of Gravitational Waves from Distant Sources

Abstract

The rate of gravitational wave absorption by inverse bremsstrahlung is calculated. It increases with decreasing frequency $\nu$ as ${\nu }^{-3}$. Nevertheless, because of the near cancellation of absorption by stimulated emission, the ionized gas in galaxy clusters does not block gravitational waves at the nanohertz frequencies that may be detected by the use of pulsar timing observations.

References in corpus (4)

• Observation of Gravitational Waves from a Binary Black Hole Merger
• Multi-messenger Observations of a Binary Neutron Star Merger
• Testing Gravity with Gravitational Wave Source Counts
• Tensor Microwave Background Fluctuations for Large Multipole Order

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