Physics – Optics
Scientific paper
Mar 1984
adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1984mnras.207p..23z&link_type=abstract
Monthly Notices of the Royal Astronomical Society (ISSN 0035-8711), vol. 207, March 15, 1984, p. 23P-28P.
Physics
Optics
36
Big Bang Cosmology, Evolution (Development), Universe, Astronomical Models, Caustics (Optics), Gravitational Collapse
Scientific paper
The dynamical evolution of a locally open region in a closed universe is considered. This is done by using Tolman's solution for an inhomogeneous closed model filled with the pressureless matter. It is shown that the unbounded expansion of the open region will be stopped by the particles invading the region through the caustics which necessarily form. A hypothesis is put forward according to which general non-simultaneous collapse is an unavoidable fate of any closed universe.
Grishchuk Leonid P.
Zeldovich Ia. B.
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