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gr-qc2026
Novel Realizations of Warp Drive Spacetimes as Solutions of General Relativity
Thomas Buchert, Antony Frackowiak
We first take a closer look at the original warp drive proposal by Alcubierre, examine its kinematics in the context of a covariant 3+1 setting, and explain some drawbacks of this…
gr-qc2026
General formalism, classification, and demystification of the current warp-drive spacetimes
Hamed Barzegar, Thomas Buchert, Quentin Vigneron
We critically examine proposals for the so-called warp-drive spacetimes and classify these models based on their various restrictions within the framework of General Relativity. We…
gr-qc2024★ 3 cited
On restrictions of current warp drive spacetimes and immediate possibilities of improvement
Hamed Barzegar, Thomas Buchert
Looking at current proposals of so-called `warp drive spacetimes', they appear to employ General Relativity only at an elementary level. A number of strong restrictions are imposed…