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Wormholes supported by a phantom energy

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arxiv gr-qc/0502084 v1 pith:V576ABRR submitted 2005-02-21 gr-qc

Wormholes supported by a phantom energy

S. V. Sushkov This is my paper
classification gr-qc
keywords phantomenergysphericallysymmetricdistributionstaticthroatwormhole
verification ladder T0 review T1 audit T2 compute T3 formal T4 reserved
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We extend the notion of phantom energy--which is generally accepted for homogeneously distributed matter with $w<-1$ in the universe--on inhomogeneous spherically symmetric spacetime configurations. A spherically symmetric distribution of phantom energy is shown to be able to support the existence of static wormholes. We find an exact solution describing a static spherically symmetric wormhole with phantom energy and show that a spatial distribution of the phantom energy is mainly restricted by the vicinity of the wormhole's throat. The maximal size of the spherical region, surrounding the throat and containing the most part of the phantom energy, depends on the equation-of-state parameter $w$ and cannot exceed some upper limit.

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Cited by 3 Pith papers

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  1. Traversable Wormholes Supported by Entropy-Inspired Effective Matter Sectors

    gr-qc 2026-05 unverdicted novelty 6.0

    Modified entropy profiles from Barrow, Tsallis, Kaniadakis, logarithmic, and exponential entropies can serve as effective sources for traversable wormholes.

  2. On the Cuspy Structure of Rotating Wormhole Shadows

    gr-qc 2026-02 unverdicted novelty 6.0

    Rotating wormhole shadows develop cusps above a universal critical redshift value λ_c, yielding four morphologies: smooth, cuspy, ears touching, and throat drowning.

  3. Cosmic Strings as Dynamical Dark Energy: Novel Constraints

    astro-ph.CO 2025-05 conditional novelty 4.0

    Cosmic string networks are constrained to less than ~1% of the energy density using CMB+BAO+SN data, with some models preferring mildly negative densities but no Bayesian evidence favoring them over LambdaCDM.