More about thin-shell wormholes associated to cosmic strings
arXiv:0906.1570 · doi:10.1103/PhysRevD.79.127502
Abstract
Previous analysis about thin-shell wormholes associated to cosmic strings are extended. More evidence is found supporting the conjecture that, under reasonable assumptions about the equations of state of matter on the shell, the configurations are not stable under radial velocity perturbations.
8 pages; accepted for publication in Physical Review D