Waves in dusty plasma crystals with dipole interactions

Journal Article · Thu Oct 01 04:00:00 EDT 1998 · AIP Conference Proceedings

DOI:https://doi.org/10.1063/1.56660· OSTI ID:321443

Murillo, M S ^[1]; Rosenberg, M ^[2]

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1. Applied Theoretical and Computational Physics Division, Los Alamos National Laboratory, Los Alamos, New Mexico 87545 (United States)
2. Department of Electrical and Computer Engineering, University of California San Diego, La Jolla, California 92093 (United States)

Nonsymmetrical effective interactions between dust grains in dusty plasmas can arise from a variety of mechanisms such as nonuniform charging, ion focusing and wakes, and induced grain polarization. These effects can be included by describing the total effective interaction in terms of its first two multipoles: the monopole term which corresponds to the usual screened Coulomb interaction, and the dipole term which can be either attractive or repulsive depending on the relative orientation between grains. We consider dust waves propagating along the dipole axis in such a system (in its crystalline phase) and dispersion relations are presented. {copyright} {ital 1998 American Institute of Physics.}

• Sponsoring Organization: USDOE
• DOE Contract Number: FG03-97ER54444
• OSTI ID: 321443
• Report Number(s): CONF-980456--
• Journal Information: AIP Conference Proceedings, Journal Name: AIP Conference Proceedings Journal Issue: 1 Vol. 446; ISSN 0094-243X; ISSN APCPCS
• Country of Publication: United States
• Language: English

Related Subjects

70 PLASMA PHYSICS AND FUSION TECHNOLOGY
COLLECTIVE EXCITATIONS
CRYSTAL STRUCTURE
DUSTS
ELECTRIC DIPOLES
LATTICE VIBRATIONS
PLASMA IMPURITIES
WAVE PROPAGATION