Introducing Physical Warp Drives

https://arxiv.org/abs/2102.06824 for an unpaywalled version of the paper. I (kind of) understand their argument, but am unclear on how the physical shell is supposed to be filled with energy, eg is one supposed to just get inside and hook it up to the terminals of a battery or…

anigbrowlJul 4, 2024View on HNParent context

> Are they talking about a reactionless drive? No. The “warp shell allows one to modify the state of spacetime inside it…the time in the inner region may go faster or slower than it would go without the shell” [1]. Being “internally moving shells of normal or exotic matter,”…

JumpCrisscrossJul 4, 2024View on HNParent context

> Would a sub light warp drive be much different performance wise from, say, a fusion torch engine with insane iSP Yes. The “warp shell allows one to modify the state of spacetime inside it…the time in the inner region may go faster or slower than it would go without the shell”…

JumpCrisscrossJul 4, 2024View on HNParent context

"Conceptually, we demonstrate that any warp drive, including the Alcubierre drive, is a shell of regular or exotic material moving inertially with a certain velocity. Therefore, any warp drive requires propulsion. We show that a class of subluminal, spherically symmetric warp…

JPLeRouzicNov 5, 2022View on HNParent context

It's an article about theoretical physics published in the 21st century, so it would be very surprising if it had not been posted on the arXiv before being published in a journal. And sure enough: https://arxiv.org/abs/2102.06824

SteuardNov 6, 2022View on HNParent context

> the math works, and it looks like it should be possible The math can only work (if it even does) in exceptionally constrained circumstances. The main purely-theoretical issue is that the paper's <https://arxiv.org/abs/2102.06824v2> solution is wholly spherically symmetric, and…

raattgiftNov 6, 2022View on HNParent context

It looks like we're getting closer and closer to making this a reality. Recently (this year) some other people published a sort of reworking of the Alcubierre drive[1], I wonder how much (if at all) better this paper will fit with that. For those who'd like a more accessible way…

suiliedDec 7, 2021View on HNParent context

Arxiv: https://arxiv.org/abs/2102.06824

_MicroftMay 28, 2021View on HNParent context

Am I correct that the interesting thing about subluminal warp drives is that they do not require working mass for propulsion? So if we had such a warp drive, we could put energy in and get motion out of it, without being subject to the tyranny of the rocket equation? It seems…

_MicroftMay 28, 2021View on HNParent context

https://arxiv.org/abs/2102.06824 looks like CQG spell-checker added a subliminal typo in the abstract :)

jbdistakenMay 28, 2021View on HNParent context

E.g. arXiv:gr-qc/9504004, arXiv:1512.01236, arXiv:2102.06824

forgotpwd16May 5, 2021View on HNParent context

Link to one of the referred papers « Introducing Physical Warp Drives» https://arxiv.org/abs/2102.06824

jonathanraimanMar 28, 2021View on HNParent context

I presently have no time to get into GR, but surely wish I did. Here instead of comment I offer two papers: Erik Lentz (underlying the work in the press release here): https://arxiv.org/pdf/2006.07125.pdf And similar seeming work by another group at something called the…

tobmltMar 10, 2021View on HNParent context

There appears to be a newer and more extensive paper that encompasses and expands on Lentz' work, while also claiming Lentz's paper was mathematically incomplete or un-reproducible in some way: Bobrick A, Martire G. Introducing physical warp drives. Classical and Quantum…

100ideasMar 10, 2021View on HNParent context

Arxiv link for people interested in the source rather than a journalists take. https://arxiv.org/abs/2102.06824

IolaumMar 5, 2021View on HNParent context