Dinamic model of spherical perturbations in Friedmann Universe

Details Dinamic model of spherical perturbations in Friedmann Universe Dinamic model of spherical perturbations in Friedmann Universe

2011-01-07

arxiv.org/abs/1101.1414v1

Russian Physics Journal, Vol. 51, No. 1, 2008

Astronomy and Astrophysics

Astrophysics

General Relativity and Quantum Cosmology

15 pages, 1 figure, 10 references

Scientific paper

A selfconsistent system of equations describing evolution of linear spherically symmetric perturbations in Fridmann world by an arbitrary equation of state is obtained. The perturbations singular part corresponding to massive particle-like source is extracted, an evolutionary equation for mass of this source is obtained and exactly solved. An exact solution of evolutionary equations of state for perturbations by an arbitrary equation of state is constructed.

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