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3D evolution of magnetic fields in a differentially rotating stellar radiative zone
Laurène Jouve, Thomas Gastine, François Lignières
The question of the origin and evolution of magnetic fields in stars possessing a radiative envelope, like the A-type stars, is still regarded as a challenge for stellar physics. T…
Explaining Jupiter's magnetic field and equatorial jet dynamics
T. Gastine, J. Wicht, L. Duarte +2
Spacecraft data reveal a very Earth-like Jovian magnetic field. This is surprising since numerical simulations have shown that the vastly different interiors of terrestrial and gas…
Formation of starspots in self-consistent global dynamo models: Polar spots on cool stars
Rakesh K. Yadav, Thomas Gastine, Ulrich R. Christensen +1
Observations of cool stars reveal dark spot-like features on their surfaces. Compared to sunspots, starspots can be bigger or cover a larger fraction of the stellar surface. While…
Zonal flow scaling in rapidly-rotating compressible convection
T. Gastine, M. Heimpel, J. Wicht
The surface winds of Jupiter and Saturn are primarily zonal. Each planet exhibits strong prograde equatorial flow flanked by multiple alternating zonal winds at higher latitudes. T…