The critical binary star separation for a planetary system origin of white dwarf pollution

@article{Veras2017TheCB,
  title={The critical binary star separation for a planetary system origin of white dwarf pollution},
  author={Dimitri Veras and Siyi Xu and Alberto Rebassa-Mansergas},
  journal={Monthly Notices of the Royal Astronomical Society},
  year={2017},
  volume={473},
  pages={2871-2880}
}
The atmospheres of between one quarter and one half of observed single white dwarfs in the Milky Way contain heavy element pollution from planetary debris. The pollution observed in white dwarfs in binary star systems is, however, less clear, because companion star winds can generate a stream of matter which is accreted by the white dwarf. Here, we (i) discuss the necessity or lack thereof of a major planet in order to pollute a white dwarf with orbiting minor planets in both single and binary… 
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