Thin-shell wormholes associated with global cosmic strings

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In this article we construct cylindrical thin-shell wormholes in the context of global cosmic strings. We study the stability of static configurations under perturbations preserving the symmetry and we find that the throat tends to collapse or expand, depending only on the direction of the velocity perturbation.
7 pages; v2: minor changes. Accepted for publication in Physical Review D

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General Relativity and Quantum Cosmology, Astrophysics

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http://salesiana.dossiersoluciones.com/handle/123456789/176249

Consulte el texto completo en el siguiente enlace:

https://arxiv.org/abs/gr-qc/0610123
 http://arxiv.org/abs/gr-qc/0610123
 Phys.Rev.D75:027501,2007
 doi:10.1103/PhysRevD.75.027501

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arXiv