Galactic dynamo action from small to large scales Anvar Shukurov School of Mathematics & Statistics Outline 1. Large-scale magnetic structures in spiral galaxies 2. Meso-scale magnetic structures: reversals, magnetic arms, etc. ... B Vertical magnetic field: Bz (h/r)1/2 < 0.3, on average. ... 1 Gy r Axisymmetric field structure near a reversal Br Bz < B or Br , B Bz Simple analytical solution for -dynamo in a thin disc in vacuum (Shukurov & Sokoloff 2008, Dynamos, Elsevier, p. 251) Bz 0. ...
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Ссылки http://www.atnf.csiro.au/research/Astro2010/talks/shukurov.pdf -- 927.1 Кб -- 16.06.2010 Похожие документы
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Ссылки http://www.atnf.csiro.au/research/masermeeting/web_papers/523_Rudnitskij.pdf -- 481.0 Кб -- 26.04.2007 Похожие документы