Article

Foundations of Physics Letters

, Volume 10, Issue 2, pp 153-181

First online:

Twists of fate: Can we make traversable wormholes in spacetime?

  • James F. WoodwardAffiliated withDepartment of History and Physics, California State University

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Abstract

The scientific reasons for trying to make traversable wormholes are briefly reviewed. Methods for making wormholes employing a Machian transient mass fluctuation are examined. Several problems one might encounter are mentioned. They, however, may just be engineering difficulties. The use of “quantum inequalities” to constrain the existence of negative mass-energy required in wormhole formation is briefly examined. It is argued that quantum inequalities do not prohibit the formation of artificial concentrations of negative mass-energy.

Key words

wormholes exotic matter Mach’s principle general relativity time travel