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SUMMARY:Black Hole Collisions - Frans Pretorius (Princeton)
DTSTART:20101027T131500Z
DTEND:20101027T141500Z
UID:TALK27354@talks.cam.ac.uk
CONTACT:Dr Jock McOrist
DESCRIPTION:The class of spacetimes describing the merger of two black hol
 es contain some of the most fascinating solutions to the equations of gene
 ral relativity. In this talk I will review what has been learnt about the\
 nbinary black hole problem over the past several years from numerical simu
 lations of the Einstein field equations\, focusing on the more "extreme" s
 olutions obtained in the high velocity limit. This is of possible relevanc
 e to LHC and cosmic ray physics in certain proposed large extra dimension 
 scenarios. Some of the interesting results include the near-Planck scale l
 uminosity in radiated gravitational waves\, recoil velocities of on the or
 der of ten thousand kilometers per second or larger\, zoom-whirl orbital m
 otion\, the formation of near-extremal Kerr black holes\, and that in the 
 ultra relativistic limit the internal nature of the\ncolliding object\, wh
 ether black holes or not\, seemingly becomes irrelevant. \n
LOCATION:MR2\, Centre for Mathematical Sciences
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