A `warp drive' with more reasonable total energy requirements

Details A `warp drive' with more reasonable total energy requirements A `warp drive' with more reasonable total energy requirements

1999-05-21

arxiv.org/abs/gr-qc/9905084v5

Class.Quant.Grav. 16 (1999) 3973-3979

Astronomy and Astrophysics

Astrophysics

General Relativity and Quantum Cosmology

9 pages, 1 figure; error in calculation corrected

Scientific paper

10.1088/0264-9381/16/12/314

I show how a minor modification of the Alcubierre geometry can dramatically improve the total energy requirements for a `warp bubble' that can be used to transport macroscopic objects. A spacetime is presented for which the total negative mass needed is of the order of a few solar masses, accompanied by a comparable amount of positive energy. This puts the warp drive in the mass scale of large traversable wormholes. The new geometry satisfies the quantum inequality concerning WEC violations and has the same advantages as the original Alcubierre spacetime.

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