2021
DOI: 10.1051/0004-6361/202039430
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Observation of bottom-up formation for charged grain aggregates related to pre-planetary evolution beyond the bouncing barrier

Abstract: Context. Particles in protoplanetary disks go through a number of phases that are dominated by collisions. In each of these events, grains exchange electrical charge via triboelectric effects. This enhances the stability of particle aggregates. Aims. Dielectric grains are easily charged by collisions. Here, we investigate whether a charge is capable of inducing an aggregation of particles and we consider how collision properties, such as sticking velocities and collisional cross-sections, are altered. Methods.… Show more

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Cited by 10 publications
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References 53 publications
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