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| Paper: |
The Dynamical Role of Cosmic Rays in Galactic Winds |
| Volume: |
438, The Dynamic Interstellar Medium: A Celebration of the Canadian Galactic Plane Survey |
| Page: |
45 |
| Authors: |
Everett, J.; Zweibel, E.; Hu, K. |
| Abstract: |
Cosmic rays are well-known for generating synchrotron radiation, as
well as for helping to ionize cool gas in the interstellar medium.
In this paper, we review the dynamical role of cosmic rays, focusing
in particular on the Streaming Instability and how cosmic-ray
pressure can help to launch galactic winds. We review progress in
modeling soft X-ray emission and synchrotron emission, observed
towards the center of the Milky Way, as a wind driven by both
cosmic-ray and thermal-gas pressure. We also outline our ongoing
work to include driving by magnetic pressure and galactic rotation,
in a general semi-analytic numerical framework. |
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