Concentration of toroidal magnetic field in the solar tachocline by eta-quenching

Details Concentration of toroidal magnetic field in the solar tachocline by eta-quenching Concentration of toroidal magnetic field in the solar tachocline by eta-quenching

2005-03-31

arxiv.org/abs/astro-ph/0504003v2

Astrophys.J. 630 (2005) 615-622

Astronomy and Astrophysics

Astrophysics

8 pages, 6 figures, added references, corrected typos, accepted by ApJ

Scientific paper

10.1086/431929

We show that if the turbulent magnetic diffusivity used in solar dynamos is assumed to be 'quenched' by increasing toroidal fields, much larger amplitude and more concentrated toroidal fields can be induced by differential rotation from an assumed poloidal field than if there is no quenching. This amplification and concentration mechanism is weakened and bounded by j x B feedbacks on the differential rotation. Nevertheless, it is strong enough to contribute to the creation of ~100 kG toroidal fields near the base of the convection zone, perhaps in conjunction with the 'exploding flux tube' process. Such high fields are necessary for sunspots to occur in low solar latitudes.

Affiliated with

Also associated with

No associations

Rating

Concentration of toroidal magnetic field in the solar tachocline by eta-quenching does not yet have a rating. At this time, there are no reviews or comments for this scientific paper.

If you have personal experience with Concentration of toroidal magnetic field in the solar tachocline by eta-quenching, we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and Concentration of toroidal magnetic field in the solar tachocline by eta-quenching will most certainly appreciate the feedback.

Rate now

Comments { 0 }

Profile ID: LFWR-SCP-O-603132