Journal article
Shear-free perfect fluids in general relativity II. Aligned, Petrov type III space-times
Journal of Mathematical Physics, Vol.31(10)
1990
Abstract
Petrov type III, shear‐free, perfect fluid solutions of the Einstein field equations, with a barotropic equation of statep=p(w) satisfying w+p≢0, are investigated. It is shown that if the acceleration of the fluid is orthogonal to the two‐spaces spanned by the repeated principal null direction of the Weyl tensor and the fluid four‐velocity, or if the fluid four‐velocity lies in the two‐spaces spanned by the principal null directions of the Weyl tensor, then the fluid’s volume expansion is zero.
Details
- Title
- Shear-free perfect fluids in general relativity II. Aligned, Petrov type III space-times
- Authors/Creators
- J. Carminati (Author/Creator)
- Publication Details
- Journal of Mathematical Physics, Vol.31(10)
- Publisher
- AIP Publishing
- Identifiers
- 991005545333507891
- Copyright
- © 1990 American Institute of Physics
- Murdoch Affiliation
- Murdoch University
- Language
- English
- Resource Type
- Journal article
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- Citation topics
- 5 Physics
- 5.9 Particles & Fields
- 5.9.12 Dark Energy
- Web Of Science research areas
- Physics, Mathematical
- ESI research areas
- Physics