Distinguishing Propagation vs. Launch Physics of Astrophysical Jets and the Role of Experiments |
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| Authors: | Eric G Blackman |
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| Institution: | (1) Department of Physics and Astronomy, University of Rochester, Rochester, NY 14627, USA |
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| Abstract: | The absence of other viable momentum sources for collimated flows leads to the likelihood that magnetic fields play a fundamental
role in jet launch and/or collimation in astrophysical jets. To best understand the physics of jets, it is useful to distinguish
between the launch region where the jet is accelerated and the larger scales where the jet propagates as a collimated structure.
Observations presently resolve jet propagation, but not the launch region. Simulations typically probe the launch and propagation
regions separately, but not both together. Here, I IDentify some of the physics of jet launch vs. propagation and what laboratory
jet experiments to date have probed. Reproducing an astrophysical jet in the lab is unrealistic, so maximizing the benefit
of the experiments requires clarifying the astrophysical connection. |
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| Keywords: | Astrophysical jets Experiments Magnetic fields |
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