183 citations · 1.4k across the 36 of their papers we have counts for
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astro-ph.SR2021★ 36 cited
No evidence for a strong decrease of planetesimal accretion in old white dwarfs
Simon Blouin, Siyi Xu
A large fraction of white dwarfs are accreting or have recently accreted rocky material from their planetary systems, thereby polluting their atmospheres with elements heavier than…
astro-ph.EP2021★ 46 cited
Polluted White Dwarfs Reveal Exotic Mantle Rock Types on Exoplanets in our Solar Neighborhood
Keith D. Putirka, Siyi Xu
Prior studies have hypothesized that some polluted white dwarfs record continent-like granitic crust--which is abundant on Earth and perhaps uniquely indicative of plate tectonics.…
astro-ph.EP2021
Exogeology from Polluted White Dwarfs
Siyi Xu, Amy Bonsor
It is difficult to study the interiors of terrestrial planets in the Solar System and the problem is magnified for distant exoplanets. However, sometimes nature is helpful. Some pl…