Scalar-field cosmological and collapse models with general self-interaction potentials

Details Scalar-field cosmological and collapse models with general self-interaction potentials Scalar-field cosmological and collapse models with general self-interaction potentials

Oct 2009

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2009jphcs.189a2017g&link_type=abstract

Journal of Physics: Conference Series, Volume 189, Issue 1, pp. 012017 (2009).

Physics

Scientific paper

We present the results of the investigation of a wide class of self-interacting, self-gravitating homogeneous scalar fields models, characterized by quite general conditions on the scalar field potential, and including both asymptotically polynomial and exponential behaviors. We show that the generic evolution is always divergent in a finite time, and this result is used to construct cosmological models as well as radiating collapsing star models of the Vaidya type - for the latter it turns out that black holes are generically formed.

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