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HESS J0632+057: hydrodynamics and nonthermal emission
Valentí Bosch-Ramon, Maxim V. Barkov, Andrea Mignone +1
HESS J0632+057 is an eccentric gamma-ray Be binary that produces non-thermal radio, X-rays, GeV, and very high-energy gamma rays. The non-thermal emission of HESS J0632+057 is modu…
Magnetic Helicities and Dynamo Action in Magneto-rotationally Driven Turbulence
G. Bodo, F. Cattaneo, A. Mignone +1
We examine the relationship between magnetic flux generation, taken as an indicator of large-scale dynamo action, and magnetic helicity, computed as an integral over the dynamo vol…
Scalable explicit implementation of anisotropic diffusion with Runge-Kutta-Legendre super-time-stepping
Bhargav Vaidya, Deovrat Prasad, Andrea Mignone +2
An important ingredient in numerical modelling of high temperature magnetised astrophysical plasmas is the anisotropic transport of heat along magnetic field lines from higher to l…
Numerical Simulations of Torsional Alfvén Waves in Axisymmetric Solar Magnetic Flux Tubes
D. Wójcik, K. Murawski, Z. E. Musielak +2
We investigate numerically Alfvén waves propagating along an axisymmetric and non-isothermal solar flux tube embedded in the solar atmosphere. The tube magnetic field is current-fr…