Colliding gravitational waves in expanding cosmologies
Journal Article
·
· Phys. Rev. D; (United States)
We discuss the singularity behavior and causal structure of expanding vacuum plane-symmetric cosmologies containing colliding gravitational waves. Penrose's theorem excluding global Cauchy hypersurfaces in plane-wave spacetimes does not hold for our expanding cosmologies. The singularity in our solutions occurs in the past and can be identified with the big-bang singularity. Analytical estimates based on a Green's-function analysis near the collision provide an explicit example which is verified by numerical computation.
- Research Organization:
- Relativity Center, University of Texas, Austin, Texas 78712
- OSTI ID:
- 5522339
- Journal Information:
- Phys. Rev. D; (United States), Journal Name: Phys. Rev. D; (United States) Vol. 25:4; ISSN PRVDA
- Country of Publication:
- United States
- Language:
- English
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