Traversable double-throat wormhole solutions are constructed as localized perturbations of the Ellis-Bronnikov metric in a string cloud background, localizing null energy condition violations to the throat vicinities while supporting the inter-throat region with non-exotic matter.
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A stationary axisymmetric traversable wormhole with throat-localized conical dressing produces cosmic-string cores that saturate radial NEC while the throat supplies the required exoticity, with perturbations showing throat-centered NEC violation and nonaxisymmetric mixing.
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Traversable double-throat wormholes in a string cloud background
Traversable double-throat wormhole solutions are constructed as localized perturbations of the Ellis-Bronnikov metric in a string cloud background, localizing null energy condition violations to the throat vicinities while supporting the inter-throat region with non-exotic matter.
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Rotating Traversable Wormholes with a Throat-Localized Conical Dressing and Two Conical Cosmic-String Cores
A stationary axisymmetric traversable wormhole with throat-localized conical dressing produces cosmic-string cores that saturate radial NEC while the throat supplies the required exoticity, with perturbations showing throat-centered NEC violation and nonaxisymmetric mixing.