Statistics – Computation
Scientific paper
Dec 1985
adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1985azh....62.1041p&link_type=abstract
(Astronomicheskii Zhurnal, vol. 62, Nov.-Dec. 1985, p. 1041-1052) Soviet Astronomy (ISSN 0038-5301), vol. 29, Nov.-Dec. 1985, p.
Statistics
Computation
24
Anisotropy, Background Radiation, Cosmic Rays, Gravitational Waves, Polarized Electromagnetic Radiation, Approximation, Computational Astrophysics, Cosmology, Microwaves, Propagation Velocity, Radiative Transfer, Recombination Reactions, Transverse Waves, Wave Propagation
Scientific paper
An approximate solution is obtained for the equation of polarized radiation transfer in the field of a weak gravitational wave. The ratio of the degree of polarization to the degree of anisotropy is shown to depend significantly on the wavelength. This ratio can be as large as 10 - 20% for gravitational waves with wavelengths shorter than the non-instantaneous scale of decoupling. If the non-instantaneous character of decoupling is taken into account, some specific properties of gravitational waves manifest themselves, since gravitational waves propagate with the velocity of light and are transverse. The angular scales of random anisotropy and polarization are estimated as a function of the characteristic wavelength of random cosmological gravitational waves.
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