Abstract
This paper investigates the evolution of collapsing Friedmann–Robertson–Walker models with a scalar field having the potential which arises in the conformal frame of high order gravity theories, coupled to matter described by a perfect fluid with energy density ρ and pressure p, obeying a barotropic equation of state. The solutions are shown to evolve generically to a singular state in a finite time and they are used as sources for radiating objects undergoing complete gravitational collapse. Although these singularities may be naked in some special cases, it is shown that generically a black hole forms.
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