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The Nonlinear Turbulent Dynamo
Jason Maron, Steven Cowley
We simulate the evolution of an initially weak magnetic field in forced turbulence for a range of Prandtl numbers. The field grows exponentially with the Kulsrud-Anderson …
Effect of Fractional Kinetic Helicity on Turbulent Magnetic Dynamo Spectra
Jason Maron, Eric G. Blackman
Magnetic field amplification in astrophysics ultimately requires an understanding of magnetohydrodynamic turbulence. Kinetic helicity has long been known to be important for large…
Gradient Particle Magnetohydrodynamics
Jason L. Maron, Gregory G. Howes
We introduce Gradient Particle Magnetohydrodynamics (GPM), a new Lagrangian method for magnetohydrodynamics based on gradients corrected for the locally disordered particle distrib…
Structure of Small-Scale Magnetic Fields in the Kinematic Dynamo Theory
Alexander Schekochihin, Steven Cowley, Jason Maron +1
A weak fluctuating magnetic field embedded into a turbulent conducting medium grows exponentially while its characteristic scale decays. In the ISM and protogalactic plasmas, the m…