Molecular dynamics simulations of dipolar dusty plasmas

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Description

The authors use molecular dynamics (MD) simulation methods to investigate dusty plasma crystal structure in an external potential, with the grains subject to both a spherically symmetric Debye-Hueckel potential and a cylindrically symmetric dipole interaction. The dipole contribution models the experimentally important effects of ion flow or intrinsic grain polarization. They find that the addition of a small dipole term changes the crystal structure from bct to one in which the grains are aligned vertically, consistent with experiments as well as recent theoretical calculations.

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8 p.

Creation Information

Hammerberg, J.E.; Holian, B.L.; Murillo, M.S. & Winske, D. December 31, 1998.

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Description

The authors use molecular dynamics (MD) simulation methods to investigate dusty plasma crystal structure in an external potential, with the grains subject to both a spherically symmetric Debye-Hueckel potential and a cylindrically symmetric dipole interaction. The dipole contribution models the experimentally important effects of ion flow or intrinsic grain polarization. They find that the addition of a small dipole term changes the crystal structure from bct to one in which the grains are aligned vertically, consistent with experiments as well as recent theoretical calculations.

Physical Description

8 p.

Notes

OSTI as DE99001665

Source

  • 7. workshop on the physics of dusty plasmas, Boulder, CO (United States), 6-9 Apr 1998

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  • Other: DE99001665
  • Report No.: LA-UR--98-2711
  • Report No.: CONF-980456--
  • Grant Number: W-7405-ENG-36
  • DOI: 10.2172/307953 | External Link
  • Office of Scientific & Technical Information Report Number: 307953
  • Archival Resource Key: ark:/67531/metadc685272

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  • December 31, 1998

Added to The UNT Digital Library

  • July 25, 2015, 2:20 a.m.

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  • July 28, 2016, 7:20 p.m.

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Hammerberg, J.E.; Holian, B.L.; Murillo, M.S. & Winske, D. Molecular dynamics simulations of dipolar dusty plasmas, report, December 31, 1998; New Mexico. (digital.library.unt.edu/ark:/67531/metadc685272/: accessed October 23, 2017), University of North Texas Libraries, Digital Library, digital.library.unt.edu; crediting UNT Libraries Government Documents Department.