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Electromagnetic conversion into kinetic and thermal energies
Axel Brandenburg, Nousaba Nasrin Protiti
Conversion of electromagnetic energy into magnetohydrodynamic energy occurs when the electric conductivity changes from negligible to finite values. This process is relevant during…
Chiral anomaly and dynamos from inhomogeneous chemical potential fluctuations
Jennifer Schober, Igor Rogachevskii, Axel Brandenburg
In the standard model of particle physics, the chiral anomaly can occur in relativistic plasmas and plays a role in the early Universe, protoneutron stars, heavy-ion collisions, an…
Inverse cascading for initial MHD turbulence spectra between Saffman and Batchelor
Axel Brandenburg, Ramkishor Sharma, Tanmay Vachaspati
In decaying magnetohydrodynamic (MHD) turbulence with a strong magnetic field, the spectral magnetic energy density is known to increase with time at small wavenumbers , provide…
Turbulence with Magnetic Helicity that is Absent on Average
Axel Brandenburg, Gustav Larsson
Magnetic helicity plays a tremendously important role when it is different from zero on average. Most notably, it leads to the phenomenon of an inverse cascade. Here, we consider d…
Decay law of magnetic turbulence with helicity balanced by chiral fermions
Axel Brandenburg, Kohei Kamada, Jennifer Schober
In plasmas composed of massless electrically charged fermions, chirality can be interchanged with magnetic helicity while preserving the total chirality through the quantum chiral…
Hosking integral in nonhelical Hall cascade
Axel Brandenburg
The Hosking integral, which characterizes magnetic helicity fluctuations in subvolumes, is known to govern the decay of magnetically dominated turbulence. Here we show that, when t…