Energy Conditions and Their Cosmological Implications
By Matt Visser, C. Barceló. 2000
188 citations recorded by the source corpus.
The energy conditions of general relativity permit one to deduce very powerful and general theorems about the behaviour of strong gravitational fields and cosmological geometries. However, the energy conditions these theorems are based on are beginning to look a lot less secure than they once seemed: (1) there are subtle quantum effects that violate all of the energy conditions, and more tellingly (2), there are also relatively benign looking classical systems that violate all the energy conditions. This opens up a Pandora's box of rather disquieting possibilities --- everything from negative asymptotic mass, to traversable wormholes, to warp drives, up to and including time machines.
Subfields: Astronomy and Astrophysics
View Paper: https://www.semanticscholar.org/paper/3409f140bfa4429e96588e1898fef570b811d44a
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In Astronomy and Astrophysics
- Erik Curiel
- Matt Visser
- C. Barceló
- Francisco S. N. Lobo
- Stefano Liberati
- Eleni-Alexandra Kontou
- Ko Sanders
- E. Kiritsis
Citations in the corpus
- Scalar fields, energy conditions and traversable wormholes (2000, background): “(In fact, we could think on this property as defining what we understand by classical matter).”
- A Primer on Energy Conditions (2014, background): “27The only physicists I know of to express similar concerns are Visser and Barceló [6, 199]; indeed they seem to be of the opinion that it is difficult to think of all energy conditions, not just the impressionist ones, as anything more than pragmatically convenient tools whose formulation is driven”