Shell dynamics in the presence of a central body |
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Authors: | M M Babatin |
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Institution: | 1.Department of Mathematics, College of Science,Al-Imam Muhammed Ibn Saud Islamic University,Riyadh,Kingdom of Saudi Arabia |
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Abstract: | We construct an idealized spherically symmetric relativistic model of an exploding object in the framework of the theory of
surface layers in general relativity and match a Vaidya solution for a radially radiating star to another Vaidya solution
through a thin spherical shell. We reduce the equations of motion and the radiation density of the Vaidya solution given by
the matching conditions to a first-order system and analyze the general characteristics of the motion. We use a post-Newtonian
approximation to find the equation of motion of a spherically symmetric radiating shell moving in a central gravitational
potential. |
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Keywords: | |
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