A dynamic model of spherical perturbations in the Friedmann universe. I

Details A dynamic model of spherical perturbations in the Friedmann universe. I A dynamic model of spherical perturbations in the Friedmann universe. I

Jan 2008

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2008ruphj..51...74i&link_type=abstract

Russian Physics Journal, Volume 51, Issue 1, pp.74-88

Physics

Scientific paper

A self-consistent set of equations describing the evolution of linear spherically symmetrical perturbations in the Friedmann world is derived for an arbitrary equation of state. A singular part of perturbations corresponding to a massive particle-like source is separated, an evolution equation for calculating the source mass is obtained and solved exactly. An exact solution to evolution equations for perturbations at an arbitrary equation of state is constructed.

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