Abstract
AbstractWe perform a time-dependent numerical simulation of the momentum transfer from weakly-damped Alfvén waves to the solar chromospheric plasma in a spatially expanding flux tube. The momentum transfer is due to the effect of ion-neutral collisions on Alfvén waves. By solving one-dimensional and time-dependent hydrodynamic equations, we study the formation of spicules. A realistic model for the solar atmosphere and for both the transport of and momentum-transfer by the Alfvén waves is used. The temperature, density and vertical velocity of the formed structures are very similar to those reported in observational studies of spicules.
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