Spherical Self-Similar Solutions in Einstein-Multi-Scalar Gravity

Details Spherical Self-Similar Solutions in Einstein-Multi-Scalar Gravity Spherical Self-Similar Solutions in Einstein-Multi-Scalar Gravity

1998-02-26

arxiv.org/abs/gr-qc/9802065v1

Phys.Lett.A249:383-388,1998

Astronomy and Astrophysics

Astrophysics

General Relativity and Quantum Cosmology

11 pages, 1 figure

Scientific paper

10.1016/S0375-9601(98)00686-0

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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