On the dispersion of gravitational waves.
Abstract
The propagation of gravitational waves in cold matter has been analyzed in the geometrical-optics approximation showing no difference from the propagationin vacuum. In a cosmological background a plasmalike dispersion relation has been shown to appear in the postgeometrical optics approximation only. A qualitative discussion of the physical meaning of the present result is given and compared with previous works.
- Publication:
-
General Relativity and Gravitation
- Pub Date:
- August 1979
- DOI:
- 10.1007/BF00756759
- Bibcode:
- 1979GReGr..10..947S
- Keywords:
-
- Cosmology;
- Geometrical Optics;
- Gravitational Waves;
- Wave Dispersion;
- Wave Propagation;
- Approximation;
- Einstein Equations;
- Linear Equations;
- Space-Time Functions;
- Vacuum Effects;
- Wentzel-Kramer-Brillouin Method;
- Astrophysics;
- Gravitational Radiation