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The warp drive: hyper-fast travel within general relativity

zqyin 添加于 2012-9-20 13:07 | 1937 次阅读 | 0 个评论

作者
Alcubierre M
摘要
It is shown how, within the framework of general relativity and without the introduction of wormholes, it is possible to modify a spacetime in a way that allows a spaceship to travel with an arbitrarily large speed. By a purely local expansion of spacetime behind the spaceship and an opposite contraction in front of it, motion faster than the speed of light as seen by observers outside the disturbed region is possible. The resulting distortion is reminiscent of the ``warp drive'' of science fiction. However, just as it happens with wormholes, exotic matter will be needed in order to generate a distortion of spacetime like the one discussed here.
详细资料
- 关键词: gr-qc
- 文献种类: Journal Article
- 期刊缩写: Class. Quant. Gra
- 期卷页: 2000年第11卷 L73-L77页
- 日期: 2000-9-5
- 发布方式: arXiv e-prints
- 备注:arXiv:gr-qc/0009013v1; 10 pages, 1 figure. Not previously available in gr-qc; Journal Ref: Class.Quant.Grav.11:L73-L77,1994
学科领域自然科学 » 物理学
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