Squeezing the Vacuum
| Abstract | This column is about a new development in the theory of wormholes. At Vanderbilt University, David Hochberg and Thomas W. Kephart have discovered that gravity itself can produce regions of negative energy. Within these regions, we may conjecture, stable wormholes may form naturally, particularly during the early Big Bang. A wormhole is a geometrical shortcut in curved space-time with the topology of a cup handle which, in principle, allows movement from one point in space-time to another without the necessity of traversing the intervening space-time interval. This provides a physical basis for two traditional gimmicks of science fiction: faster-than-light travel and time travel into the past and the future. | |||||||||
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Similar books and articlesDouglas Kutach (2013). Time Travel and Time Machines. In Adrian Bardon & Heather Dyke (eds.), A Companion to the Philosophy of Time. Blackwell.
David Wittenberg (2013). Time Travel: The Popular Philosophy of Narrative. Fordham University Press.
Michael Redhead (1994). The Vacuum in Relativistic Quantum Field Theory. PSA: Proceedings of the Biennial Meeting of the Philosophy of Science Association 1994:77 - 87.
M. D. Pollock (2013). On the Entropy of Schwarzschild Space-Time. Foundations of Physics 43 (5):615-630.
Jeffrey Sanford Russell (2008). The Structure of Gunk: Adventures in the Ontology of Space. In Dean Zimmerman (ed.), Oxford Studies in Metaphysics. Oxford University Press.
Simon Saunders & Harvey R. Brown (eds.) (1991). The Philosophy of Vacuum. Oxford University Press.
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