Dynamical evolution of two-planet systems and its connection with white dwarf atmospheric pollution
R. F. Maldonado,
E. Villaver,
A. J. Mustill
et al.
Abstract:Asteroid material is detected in white dwarfs (WDs) as atmospheric pollution by metals, in the form of gas/dust discs, or in photometric transits. Within the current paradigm, minor bodies need to be scattered, most likely by planets, into highly eccentric orbits where the material gets disrupted by tidal forces and then accreted onto the star. This can occur through a planet-planet scattering process triggered by the stellar mass loss during the post main-sequence evolution of planetary systems. So far, studi… Show more
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