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APS » Journals » Phys. Rev. D » Volume 70 » Issue 4
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Phys. Rev. D 70, 041501(R) (2004) [3 pages]

Border of spacetime

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Tomohiro Harada*
Astronomy Unit, School of Mathematical Sciences, Queen Mary, University of London, Mile End Road, London E1 4NS, United Kingdom

Ken-ichi Nakao†
Department of Physics, Osaka City University, Osaka 558-8585, Japan

Received 11 March 2004; published 20 August 2004

It is still uncertain whether the cosmic censorship conjecture is true or not. To get a new insight into this issue, we propose the concept of the border of spacetime as a generalization of the spacetime singularity and discuss its visibility. The visible border, corresponding to the naked singularity, is not only relevant to mathematical completeness of general relativity but also a window into new physics in strongly curved spacetimes, which is in principle observable.

© 2004 The American Physical Society

URL:
http://link.aps.org/doi/10.1103/PhysRevD.70.041501
DOI:
10.1103/PhysRevD.70.041501
PACS:
04.20.Dw, 04.20.Cv

*Electronic address: T.Harada@qmul.ac.uk

†Electronic address: knakao@sci.osaka-cu.ac.jp

 
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