On the Tail Problem in Cosmology
arXiv:astro-ph/9209004 · doi:10.1016/0375-9601(92)90744-7
Abstract
The tail problem for the propagation of a scalar field is considered in a cosmological background, taking a Robertson-Walker spacetime as a specific example. The explicit radial dependence of the general solution of the Klein-Gordon equation with nonminimal coupling is derived, and the inapplicability of the standard calculation of the reflection and transmission coefficients to the study of scattering of waves by the cosmological curvature is discussed.
12 pages
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