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The “holy grail” of laboratory astrophysics

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19:30 – 21:00 14 Nov 2016
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William Penny Theatre, Recreational Society, West Gate, AWE, Aldermaston, Reading RG7 4PR

Speakers: Dr Jena Meinecke

Here we report on the first experimental measurements of “seed” magnetic fields in laser-produced shock waves via the Biermann battery process. Furthermore, we present the first observations of magnetic-field amplification by turbulent motions in laser-produced shock waves scaled to the supernova remnant Cassiopeia A. Experiments on colliding, laser-produced jets analogous to the Coma-cluster-merger events also demonstrate nonlinear amplification and developed turbulence. These
measurements are a precursor to a turbulent dynamo that occurs when amplification is no longer limited by diffusion – regarded as the “holy grail” of laboratory astrophysics.

Event type: Lecture/Talk
Organised by: London South East Branch
Contact details: iop.lectures@awe.co.uk

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William Penny Theatre, Recreational Society, West Gate, AWE, Aldermaston, Reading RG7 4PR
Clock icon
19:30 – 21:00 14 Nov 2016
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