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physics.flu-dyn2026
Experimental evidence of Kelvin wave turbulence along a vortex core
Jason Barckicke, Christophe Gissinger, Eric Falcon
Wave turbulence is a regime of interacting nonlinear waves occurring in most physical systems. Kelvin waves are helical distortions that propagate along vortex filaments and are be…
physics.flu-dyn2026
Magnetic reversals in a geodynamo model with a stably-stratified layer
Nicolás Pablo Müller, Christophe Gissinger, François Pétrélis
We study the process of magnetic reversals in the presence of a stably-stratified layer below the core-mantle boundary using direct numerical simulations of the incompressible magn…
physics.flu-dyn2024
Thermoelectricity at a gallium-mercury liquid metal interface
Marlone Vernet, Stephan Fauve, Christophe Gissinger
We present experimental evidence of a thermoelectric effect at the interface between two liquid metals. Using superimposed layers of mercury and gallium in a cylindrical vessel ope…