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Browsing Astronomy and Space Science Theory Group (ASSTG) by Title

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Browsing Astronomy and Space Science Theory Group (ASSTG) by Title

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  • Vasut, John; Hyde, Truell; Barge, Laura (Advances in Space Research, )
    Dust particles immersed within a plasma environment, such as those found in planetary rings or comets, will acquire an electric charge. If the ratio of the inter-particle potential energy to average kinetic energy is large ...
  • Land, Victor; Matthews, Lorin; Hyde, Truell; Bolser, Diana (Physics Review E, )
    A self-consistent dusty plasma fluid model has been extended to incorporate all the noble gases as the carrier gas. An analysis of void closure in complex plasma composed of these gases over a wide range of experimental ...
  • Matthews, Lorin; Hayes, Ryan; Freed, Michael; Hyde, Truell (IEEE Transactions on Plasma Science, )
    Planetary formation is an efficient process now thought to take place on a relatively short astronomical time scale. Recent observations have shown that the dust surrounding a protostar emits more efficiently at longer ...
  • Matthews, Lorin; Hyde, Truell (Journal of Physics A, )
    The dynamics of Saturn's F ring have been a matter of curiosity ever since Voyagers 1 and 2 sent back pictures of the ring's unusual features. Some of these images showed three distinct ringlets with the outer two displaying ...
  • Land, Victor; Goedheer, Willem Jan (IOP publishing, )
    Collections of micrometer-sized solid particles immersed in plasma are used to mimic many systems from solid state and fluid physics, due to their strong electrostatic interaction, their large inertia, and the fact that ...
  • Goedheer, Willem Jan; Land, Victor; Venema, Jan (IOP publishing, )
    In this paper hydrodynamic and kinetic approaches to model low-pressure capacitively coupled complex radio-frequency discharges are discussed and applied to discharges under micro-gravity. Complex plasmas contain dust ...
  • 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 ...
  • 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, 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) ...
  • Goedheer, Willem Jan; Land, Victor; Venema, Jan (WILEY-VCH, )
    In this paper hydrodynamic and kinetic approaches to model low pressure capacitively coupled complex radiofrequency discharges are discussed and applied to discharges under microgravity. Experiments in the PKENefedov reactor ...
  • Barge, Laura; Matthews, Lorin; Hyde, Truell (Advances in Space Research, )
    Initially uncharged grains in space and laboratory plasma environments become charged due to currents driven by potential differences in the dusty plasma. Certain macroscopic effects such as coagulation of smaller grains ...
  • Land, Victor; Smith, Bernie; Matthews, Lorin; Hyde, Truell (IEEE Transactions on Plasma Science, )
    A self-consistent dusty plasma fluid model has been extended to incorporate all the oble gases as the carrier gas. An analysis of void closure in complex plasma composed of these gases over a wide range of experimental ...
  • Goedheer, Jan Willem; Land, Victor (IOP Publishing, )
    In dusty radio-frequency (RF) discharges under micro-gravity conditions often a void is observed, a dust free region in the discharge center. This void is generated by the drag of the positive ions pulled out of the ...
  • Qiao, Ke; Matthews, Lorin; Hyde, Truell (IEEE Transactions on Plasma Science, )
    Vibrational modes and instabilities of a dust-particle pair in a terrestrial aboratory complex plasma are investigated by employing an analytical method whereby the plasma wakefield induced by an external electric field ...

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