Magnetic field distribution in spiral galaxiesстатья
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Дата последнего поиска статьи во внешних источниках: 29 мая 2015 г.
Аннотация:The spatial distribution of large-scale magnetic fields in gaseous discs of spiral galaxies is discussed. The authors propose an asymptotic method of solution of the kinematic turbulent dynamo equations that is based on the smallness of the ratio of the disc thickness to its radius. All generated modes of the large-scale magnetic field have similar distributions over the vertical coordinate. However, a great number of modes with different radial behavior are excited simultaneously. A special attention is paid to comparison of these results with observations of the magnetic fields of spiral galaxies, e.g. the Galaxy, M31, IC 342, M81.