Spacetime Engineering


Collapse of a Rotating Toroidal Cluster

This movie shows a toroidal cluster of particles with angular momentum 0.7 times the critical momentum for stable equilibrium. The radius of the toroid is 3 M. This cluster collapses to a rotating black hole. Prior to relaxing to a stationary Kerr black hole, a toroidal horizon appears. The final black hole's horizon area and circumference are close to the expected Kerr values.


Download Quicktime (12 MB)

Prior to forming a Kerr black hole, the configuration forms a toroidal event horizon. This was the first simulation in which such a horizon was observed.


Download Quicktime (7 MB)

Slow motion of the collapse showing the toroidal event horizon.

last updated 3 Nov 13 by aakhan3