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Gravitational Collapse of a Rotating Cylindrical Null Shell in the Cosmic String Spacetime
Published 2 Aug 2011 in gr-qc | (1108.0564v1)
Abstract: We study the gravitational collapse of a rotating cylindrical null shell with flat interior and the metric of a spinning cosmic string as the exterior. We see that there is a critical radius, where the energy density of the shell vanishes and beyond which it would be negative, thereby signaling that the matching would be unphysical.
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