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.
This is evident in terms like Term 11 and Term 17, where derivatives of h(r, θ) combine with sinusoidal terms, producing localized negative energy density contributions
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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.