Astronomy and Astrophysics – Astrophysics – General Relativity and Quantum Cosmology
Scientific paper
1995-06-08
Phys.Rev.D52:4272-4276,1995
Astronomy and Astrophysics
Astrophysics
General Relativity and Quantum Cosmology
12 pages, latex, 4 figures (available upon request)
Scientific paper
10.1103/PhysRevD.52.R4272
We present spherically symmetric static solutions (a particle-like solution and a black hole solution) in the Einstein-Yang-Mills system with a cosmological constant.Although their gravitational structures are locally similar to those of the Bartnik-McKinnon particles or the colored black holes, the asymptotic behavior becomes quite different because of the existence of a cosmological horizon. We also discuss their stability by means of a catastrophe theory as well as a linear perturbation analysis and find the number of unstable modes.
Maeda Kei--ichi
Tachizawa Takashi
Torii Takashi
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