Simulating Spacetime

Speaker: 
Matt Choptuik
Event Date and Time: 
Thu, 2016-11-24 16:00 - 17:00
Location: 
Hennings 201
Intended Audience: 
Undergraduate

Numerical relativity deals with the computational solution of Einstein's
equations for the general relativistic gravitational field.  Paralleling
what has happened in many other areas of science, the evolution of high
performance computing, in conjunction with the development of appropriate
numerical techniques, has enabled direct computational assault on many of
the most pressing problems in gravitational physics. 

In this talk, following a brief overview of numerical relativity, I will
discuss results from simulations of selected scenarios in dynamic, strong
field gravity.  These include the formation of black holes through high
speed collisions of particles, and the inspiral and merger of two black
holes. This last class of computation figured highly in the interpretation
of the first LIGO-detected gravitational wave signal that was announced in
February this year (GW150914), and in the detection as well as the
interpretation of the second (GW151226), announced in June.

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