Buoyant magnetic flux ropes in a magnetized stellar envelope

  • Idealized numerical 2.5-D MHD simulations
  • S. B. F. Dorch
  • Astronomy and Astrophysics, September 2006, EDP Sciences
  • DOI: 10.1051/0004-6361:20065839

What is it about?

The context of this paper is buoyant toroidal magnetic flux ropes, which is a part of flux tube dynamo theory and the framework of solar-like magnetic activity.

Why is it important?

It is illustrated that twisted toroidal magnetic flux ropes can interact with a poloidal magnetic field in the atmosphere to cause a change in both the buoyant rise dynamics and the flux rope's geometrical shape. The details of these changes depend primarily on the polarity and strength of the atmospheric field relative to the field strength of the flux rope.


Dr Bertil F Dorch
Syddansk Universitet

It is suggested that the effects could be verified observationally.

Read Publication


The following have contributed to this page: Dr Bertil F Dorch