In static spherically symmetric throat spacetimes, EM and GW perturbations (ℓ≥1) experience strong sub-barrier suppression below their barrier-top frequencies, while the static gravitational monopole (ℓ=0) transmits with polynomial attenuation, establishing a universal constraint-wave asymmetry.
Visser,Lorentzian Wormholes: From Einstein to Hawking(AIP Press, New York, 1995)
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gr-qc 2years
2026 2verdicts
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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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Electromagnetic, gravitational wave, and static gravitational transmission through throat spacetimes: a constraint-wave asymmetry
In static spherically symmetric throat spacetimes, EM and GW perturbations (ℓ≥1) experience strong sub-barrier suppression below their barrier-top frequencies, while the static gravitational monopole (ℓ=0) transmits with polynomial attenuation, establishing a universal constraint-wave asymmetry.
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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.