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physics.plasm-ph2025
Magnetic helicity fluxes in dynamos from rotating inhomogeneous turbulence
Axel Brandenburg, Ethan T. Vishniac
We analyze direct numerical simulations of large-scale dynamos in inhomogeneous nonhelically driven rotating turbulence with and without shear. The forcing is modulated so that the…
physics.plasm-ph2025
Inverse cascade from helical and nonhelical decaying columnar magnetic fields
Axel Brandenburg, Longqing Yi, Xianshu Wu
Powerful lasers may in future produce magnetic fields that would allow us to study turbulent magnetohydrodynamic inverse cascade behavior. This has so far only been seen in numeric…
physics.plasm-ph2025
Turbulent magnetic decay controlled by two conserved quantities
Axel Brandenburg, Aikya Banerjee
The decay of a turbulent magnetic field is slower with helicity than without. Furthermore, the magnetic correlation length grows faster for a helical than a nonhelical field. Both…