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A Clash of Clusters Provides New Clue to Dark Matter
Special ACKS Seminar: Dragan Huterer
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ACKS Seminar: Jonathan McKinney (KIPAC, Stanford University)
| What | ACKS |
|---|---|
| When |
06 December 07 from 04:00 pm to 05:00 pm |
| Where | CAMPUS: Phys & Astrophys Bldg., 1st fl., conf rm (102/103) |
| Contact Name | Lukasz Stawarz |
| Contact Email | stawarz@slac.stanford.edu |
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How To Make An Ultrarelativistic Jet
We now understand the basic requirements for astrophysical systems, such as accreting black holes, to generate moderately relativistic outflows. Part of this knowledge comes from analytical and numerical models of relativistic outflows using the relativistic magnetohydrodynamical (MHD) approximation. A more difficult regime to understand is the ultrarelativistic limit, which tasks our fundamental grasp of the requirements to accelerate and collimate jets to the fastest bulk speeds in Nature. I discuss the astrophysical and environmental requirements to form ultrarelativistic jets as viewed from the MHD approximation and discuss insights garnered from theory and simulations.
MASS: Lance Simms