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physics.flu-dyn2024
Run-away transition to turbulent strong-field dynamo
Anna Guseva, Ludovic Petitdemange, Steven M. Tobias
Planets and stars are able to generate coherent large-scale magnetic fields by helical convective motions in their interiors. This process, known as hydromagnetic dynamo, involves…
astro-ph.SR2024
Coriolis darkening in late-type stars II. Effect of self-sustained magnetic fields in stratified convective envelope
C. Pinçon, L. Petitdemange, R. Raynaud +4
Modeling the surface brightness distribution of stars is of prime importance to interpret observations. Nevertheless, this remains quite challenging for cool stars as it requires o…
astro-ph.SR2024
Data-driven scale identification in oscillatory dynamos
Anna Guseva
Parker's mean-field model includes two processes generating large-scale oscillatory dynamo waves: stretching of magnetic field lines by small-scale helical flows, and by differenti…