All traversable wormholes in Unimodular Gravity require exotic matter because the flaring-out condition at the throat forces a violation of the null energy condition, independent of shape, redshift, or equation of state.
A Primer on Unimodular Gravity,
4 Pith papers cite this work. Polarity classification is still indexing.
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gr-qc 4years
2026 4representative citing papers
A new metric-affine gravity toy model dynamically generates a global time function via projective invariance breaking to enforce stable causality, recovering mimetic gravity and yielding a broader dark sector.
Renormalization group improved unimodular black holes with self-consistent radial scale identification yield non-singular metrics and associated mass gaps.
Diffusion-based unimodular gravity models for the H0 tension are thermodynamically inadmissible because they require a growing effective cosmological term incompatible with the second law.
citing papers explorer
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Can wormhole spacetimes in Unimodular Gravity be supported by ordinary matter? A general proof of the exotic matter requirement
All traversable wormholes in Unimodular Gravity require exotic matter because the flaring-out condition at the throat forces a violation of the null energy condition, independent of shape, redshift, or equation of state.
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Metric affine gravity with dynamical chronology protection
A new metric-affine gravity toy model dynamically generates a global time function via projective invariance breaking to enforce stable causality, recovering mimetic gravity and yielding a broader dark sector.
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Improved unimodular black holes with self-consistent renormalization scale identification
Renormalization group improved unimodular black holes with self-consistent radial scale identification yield non-singular metrics and associated mass gaps.
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Comment on Cosmological constraints on unimodular gravity models with diffusion (arXiv:2211.07424): thermodynamic inadmissibility of the H0 tension resolution mechanism
Diffusion-based unimodular gravity models for the H0 tension are thermodynamically inadmissible because they require a growing effective cosmological term incompatible with the second law.