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Physical conditions for Jupiter-like dynamo models
Lucia D. V. Duarte, Johannes Wicht, Thomas Gastine
The Juno mission will measure Jupiter's magnetic field with unprecedented precision and provide a wealth of additional data that will allow to constrain the planet's interior struc…
Spherical convective dynamos in the rapidly rotating asymptotic regime
Julien Aubert, Thomas Gastine, Alexandre Fournier
Self-sustained convective dynamos in planetary systems operate in an asymptotic regime of rapid rotation, where a balance is thought to hold between the Coriolis, pressure, buoyanc…
Approaching a realistic force balance in geodynamo simulations
Rakesh K. Yadav, Thomas Gastine, Ulrich R. Christensen +2
Earth sustains its magnetic field by a dynamo process driven by convection in the liquid outer core. Geodynamo simulations have been successful in reproducing many observed propert…
Scaling regimes in spherical shell rotating convection
T. Gastine, J. Wicht, J. Aubert
Rayleigh-Bénard convection in rotating spherical shells can be considered as a simplified analogue of many astrophysical and geophysical fluid flows. Here, we use three-dimensional…
Reversal and amplification of zonal flows by boundary enforced thermal wind
Wieland Dietrich, Thomas Gastine, Johannes Wicht
Zonal flows in rapidly-rotating celestial objects such as the Sun, gas or ice giants form in a variety of surface patterns and amplitudes. Whereas the differential rotation on the…