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Browsing ASSTG Articles by Issue Date

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  • Matthews, Lorin; Land, Victor; Ma, Qianyu; Perry, Jonathan; Hyde, Truell (AIP Conference Proceedings, )
    The charge on an aggregate immersed in a plasma environment distributes itself over the aggregate’s surface; this can be approximated theoretically by assuming a multipole distribution. The dipole-dipole (or higher order) ...
  • Land, Victor; Carmona Reyes, Jorge; Creel, James; Schmoke, Jimmy; Cook, Mike; Matthews, Lorin; Hyde, Truell (IOP Publishing, )
    Thermophoresis is a tool often applied in complex plasma experiments. One of the usual stated benefits over other experimental tools is that electrode temperature changes required to induce thermophoresis do not directly ...
  • Matthews, Lorin; Land, Victor; Hyde, Truell (Astrophysical Journal, )
    Combining a particle–particle, particle–cluster, and cluster–cluster agglomerationmodel with an aggregate charging model, the coagulation and charging of dust particles in plasma environments relevant for protoplanetary ...
  • Douglass, Angela; Land, Victor; Qiao, Ke; Matthews, Lorin; Hyde, Truell (Physics of Plasmas, )
    Experiments are performed in which dust particles are levitated at varying heights above the powered electrode in a radio frequency plasma discharge by changing the discharge power. The trajectories of particles dropped ...
  • Perry, Jonathan; Gostomski, Erwin; Matthews, Lorin; Hyde, Truell (Astronomy & Astrophysics, )
    Context. The coagulation of dust particles is the initial step in planetary formation, with the precursors to planetesimals believed to form via the collisions of micron and submicron sized dust particles in the disk ...
  • Perry, Jonathan; Kimery, Jesse; Matthews, Lorin; Hyde, Truell (New Journal of Physcis, )
    The coagulation of dust aggregates is an important process in many physical systems such as the Earth’s upper atmosphere, comet tails and protoplanetary discs. Numerical models which study the aggregation in these systems ...
  • Ma, Qianyu; Matthews, Lorin; Land, Victor; Hyde, Truell (Astrophysical Journal, )
    The charging of dust grains in astrophysical environments has been investigated with the assumption that these grains are homogeneous spheres. However, there is evidence which suggests that many grains in astrophysical ...
  • Qiao, Ke; Kong, Jie; Zhang, Zhuanhao; Matthews, Lorin; Hyde, Truell (IEEE Transactions on Plasma Science, )
    The normal modes for horizontal dust particle pairs in a complex plasma are investigated using two methods, a numerical calculation and a molecular dynamics simulation. The ion wakefield downstream of each particle and the ...
  • Matthews, L.S.; Shotorban, B.; Hyde, T.W. (Astrophysical Journal, )
    The coagulation of cosmic dust grains is a fundamental process which takes place in astrophysical environments, such as presolar nebulae and circumstellar and protoplanetary disks. Cosmic dust grains can become charged ...
  • Qiao, Ke; Van Oeveren, E.; Matthews, L.S.; Hyde, T.W. (Physical Review E, )
    The normal modes for three to seven particle two-dimensional (2D) dust clusters in a complex plasma are investigated using an N-body simulation. The ion wakefield downstream of each particle is shown to induce coupling ...
  • Kong, J.; Qiao, K.; Matthews, L.S.; Hyde, T.W. (Physical Review E, )
    Small number dust particle clusters can be used as probes for plasma diagnostics. The number of dust particles as well as cluster size and shape can be easily controlled employing a glass box placed within a Gaseous ...
  • Yousefi, Raziyeh; Davis, Allen; Carmona-Reyes, Jorge; Matthews, Lorin; Hyde, Truell (Physical Review E, )
    Understanding the agglomeration of dust particles in complex plasmas requires knowledge of basic properties such as the net electrostatic charge and dipole moment of the dust. In this study, dust aggregates are formed from ...
  • Kupper, M.; de Beule, C.; Wurm, G.; Matthews, L.; Kimery, J.; Hyde, T.W. (Journal of Aerosol Science, )
    Photophoresis is a force which can dominate the motion of illuminated aerosols in low pressure environments of laboratory experiments, planetary atmospheres or protoplanetary disks. In drop tower experiments we quantified ...

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