Avoidance of trappings in continual collapse of spherical stars.
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Date
2019
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Abstract
In this dissertation we study the physical process of a spherically symmetric perfect
uid experiencing a continuous gravitational collapse in concurrence with continuous
radiating energy in an outward spacetime. Trapped surfaces are avoided and the nal
fate of the collapse is a
at spacetime. In addition, the collapsing matter conforms
to the weak and dominant energy conditions at all epochs. Our investigation clearly
unveils the purpose of the equation of state and reveals the bounds on the thermodynamic
potentials the equation of state admits for such a model. We a rm that these
models are generic without any of the issues and paradoxes attached to horizons and
singularities, because the system of Einstein eld equations accepts such a theoretical
account for an open set of initial data and the equation of state function in their
respective functional spaces. High resolution radio telescopes of today, should ideally
detect the existence of these compact bodies in the sky.
Description
Masters Degree. University of KwaZulu-Natal, Durban.