The unphysical nature of "Warp Drive"

Details The unphysical nature of "Warp Drive" The unphysical nature of "Warp Drive"

1997-02-13

arxiv.org/abs/gr-qc/9702026v3

Class.Quant.Grav. 14 (1997) 1743-1751

Astronomy and Astrophysics

Astrophysics

General Relativity and Quantum Cosmology

11 pages, 3 figures, latex. This revision corrects a typographical sign error in Eq. (3)

Scientific paper

10.1088/0264-9381/14/7/011

We will apply the quantum inequality type restrictions to Alcubierre's warp drive metric on a scale in which a local region of spacetime can be considered ``flat''. These are inequalities that restrict the magnitude and extent of the negative energy which is needed to form the warp drive metric. From this we are able to place limits on the parameters of the ``Warp Bubble''. It will be shown that the bubble wall thickness is on the order of only a few hundred Planck lengths. Then we will show that the total integrated energy density needed to maintain the warp metric with such thin walls is physically unattainable.

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