Spherically Symmetric Perturbation of Ultrarelativistic Fluid in Homogeneous and Isotropic Universe
Yu. Ignat'ev, A. Popov
Abstract
A solution of the linearized Einstein's equations for a spherically symmetric perturbation of the ultrarelativistic fluid in the homogeneous and isotropic universe is obtained. Conditions on the boundary of the perturbation are discussed. The examples of particle-like and wave-like solutions are given.
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