192 citations · 1k across the 33 of their papers we have counts for
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Dynamical quenching with non-local alpha and downward pumping
A. Brandenburg, A. Hubbard, P. J. Käpylä
In light of new results, the one-dimensional mean-field dynamo model of Brandenburg & Kapyla (2007) with dynamical quenching and a nonlocal Babcock-Leighton alpha effect is re-exam…
Convective Overstability in radially stratified accretion disks under thermal relaxation
Hubert Klahr, Alexander Hubbard
This letter expands the stability criterion for radially stratified, vertically {unstratified} accretion disks incorporating thermal relaxation. We find a linear amplification of e…
Ribbons characterize magnetohydrodynamic magnetic fields better than lines: a lesson from dynamo theory
Eric G. Blackman, Alexander Hubbard
Blackman & Brandenburg argued that magnetic helicity conservation in dynamo theory can in principle be captured by diagrams of mean field dynamos when the magnetic fields are repre…
Catastrophic quenching in alpha-Omega dynamos revisited
Alexander Hubbard, Axel Brandenburg
At large magnetic Reynolds numbers, magnetic helicity evolution plays an important role in astrophysical large-scale dynamos. The recognition of this fact led to the development of…
The fratricide of alpha-Omega dynamos by their alpha-squared siblings
Alexander Hubbard, Matthias Rheinhardt, Axel Brandenburg
Context. Helically forced magneto-hydrodynamic shearing-sheet turbulence can support different large-scale dynamo modes, although the α - Ω mode is generally expected to dominate b…
Magnetic helicity transport in the advective gauge family
Simon Candelaresi, Alexander Hubbard, Axel Brandenburg +1
Magnetic helicity fluxes are investigated in a family of gauges in which the contribution from ideal magnetohydrodynamics takes the form of a purely advective flux. Numerical simul…