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Using a magnetic carpet as model for the near surface solar magnetic field we study its effects on the propagation of energy injectected by photospheric footpoint motions. Such a magnetic carpet structure is topologically highly non-trivial and with its magnetic nulls exhibits qualitatively different behavior than simpler magnetic fields. We show that the presence of magnetic fields connecting back to the photosphere inhibits the propagation of energy into higher layers of the solar atmosphere, like the solar corona. By applying certain types of footpoint motions the magnetic field topology is is greatly reduced through magnetic field reconnection which facilitates the propagation of energy and disturbances from the photosphere.
|Number of pages||5|
|Journal||Proceedings of the International Astronomical Union|
|Early online date||12 Sep 2016|
|Publication status||Published - Oct 2016|
- Magnetic reconnection
- Magnetohydrodynamics (MHD)
- Sun: Magnetic fields
- Sun: Photosphere
- Sun: Sunspots
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- 1 Finished
Dynamics of Complex Magnetic Fields: From the Corona to the Solar Wind (Joint with University of Durham)
1/04/16 → 30/09/19