Collapse of a Scalar Field in 2+1 Gravity

Details Collapse of a Scalar Field in 2+1 Gravity Collapse of a Scalar Field in 2+1 Gravity

2002-07-30

arxiv.org/abs/gr-qc/0207121v1

Class.Quant.Grav.21:1791-1824,2004

Astronomy and Astrophysics

Astrophysics

General Relativity and Quantum Cosmology

Scientific paper

10.1088/0264-9381/21/7/006

We consider the problem of critical gravitational collapse of a scalar field in 2+1 dimensions with spherical (circular) symmetry. After surveying all the analytic, continuously self-similar solutions and considering their global structure, we examine their perturbations with the intent of understanding which are the critical solutions with a single unstable mode. The critical solution which we find is the one which agrees most closely with that found in numerical evolutions. However, the critical exponent which we find does not seem to agree with the numerical result.

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