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Friedmann universe as a limit of dust shell model
Journal article   Peer reviewed

Friedmann universe as a limit of dust shell model

A. Eid and J. Langer
Astrophysics and space science, Vol.337(2), pp.747-752
01/02/2012
DOI: https://doi.org/10.1007/s10509-011-0802-y

Abstract

Astronomy & Astrophysics Physical Sciences Science & Technology
We generalize the equations of motion of a shell for a sequence of thin shells and derive the general form of the expansion law of the dust shell model which represents the FRW universe when we take an appropriate limit. The three Friedmann model for the three possible values of k : 0, +/- 1 are satisfied.

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