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The Origin of Large-Scale Magnetic Fields in Low-Mass Galaxies
Prasanta Bera, Anvar Shukurov, Kandaswamy Subramanian
The origin of large-scale magnetic fields, detected in some low-mass (dwarf and irregular) galaxies via polarised synchrotron emission and Faraday rotation, remained unexplained fo…
Turbulent transport coefficients in galactic dynamo simulations using singular value decomposition
Abhijit B. Bendre, Kandaswamy Subramanian, Detlef Elstner +1
Coherent magnetic fields in disc galaxies are thought to be generated by a large-scale (or mean-field) dynamo operating in their interstellar medium. A key driver of mean magnetic…
Efficient quasi-kinematic large-scale dynamo as the small-scale dynamo saturates
Pallavi Bhat, Kandaswamy Subramanian, Axel Brandenburg
Large-scale magnetic fields in stars and galaxies are thought to arise by mean-field dynamo action due to the combined influence of both helical turbulence and shear. Those systems…