On the existence of crack of doom singularities in some cosmological models with extra dimensions

Details On the existence of crack of doom singularities in some cosmological models with extra dimensions On the existence of crack of doom singularities in some cosmological models with extra dimensions

Feb 1989

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1989phla..135...11g&link_type=abstract

Physics Letters A, Volume 135, Issue 1, p. 11-16.

Physics

1

Scientific paper

We study the evolution of vacuum multidimensional Friedmann-Robertson-Walker universes. We show that ``crack of doom'' type singularities, typical of five-dimensional models, can only appear, for more than five dimensions, in some exceptional cases. These singularities are, however, absent when the effective four-dimensional metric is obtained via a Weyl rescaling of the relevant part of the multidimensional metric.
Supported by a CONICET fellowship.

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