Abstract
Magnetic fields correlated on several kiloparsec scales are seen in spiral galaxies. Their origin could be due to amplification of a small seed field by a turbulent galactic dynamo. We critically review the current status of the galactic dynamo, especially some of its problems and possible solutions. We also comment on the nature of seed magnetic fields, needed to prime the dynamo.
It is a pleasure to dedicate this article to Prof. Jayant Narlikar, my first research Guru, though he may want to have little to do with toroidal and poloidal fields and the infamous ’pomega’!
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Subramanian, K. (2000). Thoughts on Galactic Magnetism. In: Dadhich, N., Kembhavi, A. (eds) The Universe. Astrophysics and Space Science Library, vol 244. Springer, Dordrecht. https://doi.org/10.1007/978-94-011-4050-8_16
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DOI: https://doi.org/10.1007/978-94-011-4050-8_16
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