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Wormholes, time machines, and the weak energy condition

Morris, Michael S. and Thorne, Kip S. and Yurtsever, Ulvi (1988) Wormholes, time machines, and the weak energy condition. Physical Review Letters, 61 (13). pp. 1446-1449. ISSN 0031-9007. http://resolver.caltech.edu/CaltechAUTHORS:MORprl88

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Abstract

It is argued that, if the laws of physics permit an advanced civilization to create and maintain a wormhole in space for interstellar travel, then that wormhole can be converted into a time machine with which causality might be violatable. Whether wormholes can be created and maintained entails deep, ill-understood issues about cosmic censorship, quantum gravity, and quantum field theory, including the question of whether field theory enforces an averaged version of the weak energy condition.


Item Type:Article
Additional Information:©1988 The American Physical Society. Received 21 June 1988. For helpful discussions or correspondence, we thank Bruce Allen, Phillip Candelas, S. Chandrasekhar, Bryce DeWitt, Sam Finn, John Friedman, Robert Geroch, Leonard Parker, Don Page, Nicolas Papastamatiou, Thomas Roman, Carl Sagan, and Robert Wald. One of us (K.S.T.) thanks the Departments of Physics and Astronomy and the Phenomenology Group of the University of Wisconsin at Madison for hospitality during this research. This work was supported in part by National Science Foundation Grant No. AST85-14911.
Group:TAPIR
Record Number:CaltechAUTHORS:MORprl88
Persistent URL:http://resolver.caltech.edu/CaltechAUTHORS:MORprl88
Alternative URL:http://dx.doi.org/10.1103/PhysRevLett.61.1446
Usage Policy:No commercial reproduction, distribution, display or performance rights in this work are provided.
ID Code:9262
Collection:CaltechAUTHORS
Deposited By: Tony Diaz
Deposited On:03 Dec 2007
Last Modified:26 Dec 2012 09:47

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