Evolution of Magnetic Fields in Galaxies with Spiral Structure

被引：0
作者：
R. Rohde
D. Elstner
G. Rüdiger
机构：
[1] Astrophysikalisches Institut,
来源：
Studia Geophysica et Geodaetica | 1998年 / 42卷
关键词：
Magnetohydrodynamics (MHD); Turbulence; Magnetic fields; Galaxies;
D O I：
暂无
中图分类号：
学科分类号：
摘要：
We present simulations of the 3D nonlinear induction equation in order to investigate the temporal evolution of large-scale magnetic fields in spiral galaxies. Our model includes differential rotation, ambipolar diffusion and, based on small-scale turbulence, eddy diffusivity and the tensorial α-effect with magnetic feedback. The nonaxisymmetric spiral pattern and – if considered – the vertical stratification of the galaxy are represented in its density and turbulence profile.
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页码：382 / 390
页数：8
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