Spherical Self-Similar Solutions in Einstein-Multi-Scalar Gravity
classification
🌀 gr-qc
keywords
gravitysphericalcollapsecompletelyconsidercoupledcriticaldetermined
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We consider a general non-linear sigma model coupled to Einstein gravity and show that in spherical symmetry and for a simple realization of self-similarity, the spacetime can be completely determined. We also examine some more specific matter models and discuss their relation to critical collapse.
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