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| Paper: |
Structured, Dynamo Driven Stellar and Disc Winds |
| Volume: |
313, Asymmetrical Planetary Nebulae III |
| Page: |
476 |
| Authors: |
von Rekowski, B.; Brandenburg, A. |
| Abstract: |
Considerable progress has been made in understanding the hydrodynamics, but only to a certain extent the magnetohydrodynamics, of shaping bipolar outflows forming protoplanetary nebulae (PPNs) and planetary nebulae (PNs). In particular, Blackman et al. (2001a, 2001b) point out two problems related to the formation of PNs and PPNs, regarding the formation of multipolar structures and the origin of the nebulae. They propose a solution by giving a semi-quantitative physical model which should be investigated by numerical simulations. |
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