Quantum effects in the Alcubierre warp drive spacetime

Details Quantum effects in the Alcubierre warp drive spacetime Quantum effects in the Alcubierre warp drive spacetime

1997-07-10

arxiv.org/abs/gr-qc/9707024v1

Class.Quant.Grav.14:L183-L188,1997

Astronomy and Astrophysics

Astrophysics

General Relativity and Quantum Cosmology

9 pages, ReVTeX

Scientific paper

10.1088/0264-9381/14/11/002

The expectation value of the stress-energy tensor of a free conformally invariant scalar field is computed in a two-dimensional reduction of the Alcubierre ``warp drive'' spacetime. The stress-energy is found to diverge if the apparent velocity of the spaceship exceeds the speed of light. If such behavior occurs in four dimensions, then it appears implausible that ``warp drive'' behavior in a spacetime could be engineered, even by an arbitrarily advanced civilization.

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