Physics Stack Exchange is a question and answer site for active researchers, academics and students of physics. Join them; it only takes a minute:

Sign up
Here's how it works:
  1. Anybody can ask a question
  2. Anybody can answer
  3. The best answers are voted up and rise to the top

I understand NASA is now experimenting with a tweaked Alcubierre drive.

Apperantly some physicists predict crazy heat (hotter than the sun) inside the warp bubble caused by Hawking radiation (recent paper by Carlos Barceló, Stefano Finazzi, and Stefano Liberati).

One of the biggest problems with nuclear fusion is the creation of very high temperatures.

Can we utilize the Hawking radiation in a warp bubble to make nuclear fusion happen?

share|cite|improve this question
Possibly related (…) if you're referring to Harold White's work – twistor59 Nov 28 '12 at 15:51
Searching for a path to a fusion power plant? Warning: speculation ahead. If you could make the bubble, toss in some D-T, then sure you'd probably get some fusion. Plasma density, confinement, and power extraction would be another issue entirely. Are you referring to this paper? The last para. on pg9 says the energy density of the bubble is proportional to the square of the temperature observed inside. So, in the absence of thusfar undiscovered exotic matter, you'd need an immense fusion output to sustain the device. I'd stick with tokamaks :) – xxx Nov 28 '12 at 18:42

Your Answer


By posting your answer, you agree to the privacy policy and terms of service.

Browse other questions tagged or ask your own question.