A positive-energy steerable warp drive is constructed by matching the Kinnersley photon rocket to a flat passenger worldtube, with acceleration controlled by Bondi mass loss obeying a closed-form law.
On restrictions of current warp drive spacetimes and immediate possibilities of improvement.Universe11, 293 (2025) [arXiv:2407.00720]
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Warpax toolkit demonstrates that observer-robust optimization finds more extensive and severe energy-condition violations in warp drive metrics than single-frame Eulerian analysis.
New realizations of warp drive spacetimes are constructed as solutions of Einstein's equations via geodesic assumptions and relativistic Lagrangian perturbations, revealing coordinate instabilities and a direct link to cosmological models.
Source-consistent warp shells fail energy conditions at the source-vacuum boundary in all examined constructions and parameter scans.
citing papers explorer
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Steering a warp drive without exotic matter
A positive-energy steerable warp drive is constructed by matching the Kinnersley photon rocket to a flat passenger worldtube, with acceleration controlled by Bondi mass loss obeying a closed-form law.
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Novel Realizations of Warp Drive Spacetimes as Solutions of General Relativity
New realizations of warp drive spacetimes are constructed as solutions of Einstein's equations via geodesic assumptions and relativistic Lagrangian perturbations, revealing coordinate instabilities and a direct link to cosmological models.
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On the boundary cost of source-consistent warp shells
Source-consistent warp shells fail energy conditions at the source-vacuum boundary in all examined constructions and parameter scans.