General formalism for the stability of thin-shell wormholes in 2+1 dimensions

Abstract

In this article we theoretically construct circular thin-shell wormholes in a 2+1 dimensional spacetime. The construction is symmetric with respect to the throat. We present a general formalism for the study of the mechanical stability under perturbations preserving the circular symmetry of the configurations, adopting a linearized equation of state for the exotic matter at the throat. We apply the formalism to several examples.

arXiv comment14 pages, 7 figures; v2: improved version, new references added

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