Traversable wormholes in a string cloud

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We study spherically symmetric thin-shell wormholes in a string cloud background in (3+1)-dimensional spacetime. The amount of exotic matter required for the construction, the traversability and the stability under radial perturbations, are analyzed as functions of the parameters of the model. Besides, in the Appendices a non perturbative approach to the dynamics and a possible extension of the analysis to a related model are briefly discussed.
21 pages, 10 figures; accepted for publication in Int. J. Mod. Phys. D

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General Relativity and Quantum Cosmology, Astrophysics

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http://salesiana.dossiersoluciones.com/handle/123456789/204794

Consulte el texto completo en el siguiente enlace:

https://arxiv.org/abs/0711.2297
 http://arxiv.org/abs/0711.2297
 Int.J.Mod.Phys.D17:1179-1196,2008
 doi:10.1142/S0218271808012759

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arXiv